20171944380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^2\times {\mathrm{163}}^1\times {\mathrm{557}}^1$

素因数の和:785

約数の個数: 288

約数和(自身を含む): 68014646784

約数和(自身を除く): 47842702404

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 23, 28, 30, 35, 42, 46, 60, 69, 70, 84, 92, 105, 115, 138, 140, 161, 163, 210, 230, 276, 322, 326, 345, 420, 460, 483, 489, 529, 557, 644, 652, 690, 805, 815, 966, 978, 1058, 1114, 1141, 1380, 1587, 1610, 1630, 1671, 1932, 1956, 2116, 2228, 2282, 2415, 2445, 2645, 2785, 3174, 3220, 3260, 3342, 3423, 3703, 3749, 3899, 4564, 4830, 4890, 5290, 5570, 5705, 6348, 6684, 6846, 7406, 7498, 7798, 7935, 8355, 9660, 9780, 10580, 11109, 11140, 11247, 11410, 11697, 12811, 13692, 14812, 14996, 15596, 15870, 16710, 17115, 18515, 18745, 19495, 22218, 22494, 22820, 23394, 25622, 26243, 31740, 33420, 34230, 37030, 37490, 38433, 38990, 44436, 44988, 46788, 51244, 52486, 55545, 56235, 58485, 64055, 68460, 74060, 74980, 76866, 77980, 78729, 86227, 89677, 90791, 104972, 111090, 112470, 116970, 128110, 131215, 153732, 157458, 172454, 179354, 181582, 192165, 222180, 224940, 233940, 256220, 258681, 262430, 269031, 272373, 294653, 314916, 344908, 358708, 363164, 384330, 393645, 431135, 448385, 453955, 517362, 524860, 538062, 544746, 589306, 603589, 635537, 768660, 787290, 862270, 883959, 896770, 907910, 1034724, 1076124, 1089492, 1178612, 1207178, 1271074, 1293405, 1345155, 1361865, 1473265, 1574580, 1724540, 1767918, 1793540, 1810767, 1815820, 1906611, 2062571, 2088193, 2414356, 2542148, 2586810, 2690310, 2723730, 2946530, 3017945, 3177685, 3535836, 3621534, 3813222, 4125142, 4176386, 4419795, 5173620, 5380620, 5447460, 5893060, 6035890, 6187713, 6264579, 6355370, 7243068, 7626444, 8250284, 8352772, 8839590, 9053835, 9533055, 10312855, 10440965, 12071780, 12375426, 12529158, 12710740, 14617351, 17679180, 18107670, 19066110, 20625710, 20881930, 24750852, 25058316, 29234702, 30938565, 31322895, 36215340, 38132220, 41251420, 41763860, 43852053, 48028439, 58469404, 61877130, 62645790, 73086755, 87704106, 96056878, 123754260, 125291580, 144085317, 146173510, 175408212, 192113756, 219260265, 240142195, 288170634, 292347020, 336199073, 438520530, 480284390, 576341268, 672398146, 720426585, 877041060, 960568780, 1008597219, 1344796292, 1440853170, 1680995365, 2017194438, 2881706340, 3361990730, 4034388876, 5042986095, 6723981460, 10085972190, 20171944380]

約数ペア:

[(1, 20171944380), (2, 10085972190), (3, 6723981460), (4, 5042986095), (5, 4034388876), (6, 3361990730), (7, 2881706340), (10, 2017194438), (12, 1680995365), (14, 1440853170), (15, 1344796292), (20, 1008597219), (21, 960568780), (23, 877041060), (28, 720426585), (30, 672398146), (35, 576341268), (42, 480284390), (46, 438520530), (60, 336199073), (69, 292347020), (70, 288170634), (84, 240142195), (92, 219260265), (105, 192113756), (115, 175408212), (138, 146173510), (140, 144085317), (161, 125291580), (163, 123754260), (210, 96056878), (230, 87704106), (276, 73086755), (322, 62645790), (326, 61877130), (345, 58469404), (420, 48028439), (460, 43852053), (483, 41763860), (489, 41251420), (529, 38132220), (557, 36215340), (644, 31322895), (652, 30938565), (690, 29234702), (805, 25058316), (815, 24750852), (966, 20881930), (978, 20625710), (1058, 19066110), (1114, 18107670), (1141, 17679180), (1380, 14617351), (1587, 12710740), (1610, 12529158), (1630, 12375426), (1671, 12071780), (1932, 10440965), (1956, 10312855), (2116, 9533055), (2228, 9053835), (2282, 8839590), (2415, 8352772), (2445, 8250284), (2645, 7626444), (2785, 7243068), (3174, 6355370), (3220, 6264579), (3260, 6187713), (3342, 6035890), (3423, 5893060), (3703, 5447460), (3749, 5380620), (3899, 5173620), (4564, 4419795), (4830, 4176386), (4890, 4125142), (5290, 3813222), (5570, 3621534), (5705, 3535836), (6348, 3177685), (6684, 3017945), (6846, 2946530), (7406, 2723730), (7498, 2690310), (7798, 2586810), (7935, 2542148), (8355, 2414356), (9660, 2088193), (9780, 2062571), (10580, 1906611), (11109, 1815820), (11140, 1810767), (11247, 1793540), (11410, 1767918), (11697, 1724540), (12811, 1574580), (13692, 1473265), (14812, 1361865), (14996, 1345155), (15596, 1293405), (15870, 1271074), (16710, 1207178), (17115, 1178612), (18515, 1089492), (18745, 1076124), (19495, 1034724), (22218, 907910), (22494, 896770), (22820, 883959), (23394, 862270), (25622, 787290), (26243, 768660), (31740, 635537), (33420, 603589), (34230, 589306), (37030, 544746), (37490, 538062), (38433, 524860), (38990, 517362), (44436, 453955), (44988, 448385), (46788, 431135), (51244, 393645), (52486, 384330), (55545, 363164), (56235, 358708), (58485, 344908), (64055, 314916), (68460, 294653), (74060, 272373), (74980, 269031), (76866, 262430), (77980, 258681), (78729, 256220), (86227, 233940), (89677, 224940), (90791, 222180), (104972, 192165), (111090, 181582), (112470, 179354), (116970, 172454), (128110, 157458), (131215, 153732)]