19996449480

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{64513}}^1$

素因数の和:64581

約数の個数: 256

約数和(自身を含む): 78036134400

約数和(自身を除く): 58039684920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 41, 42, 45, 54, 56, 60, 63, 70, 72, 82, 84, 90, 105, 108, 120, 123, 126, 135, 140, 164, 168, 180, 189, 205, 210, 216, 246, 252, 270, 280, 287, 315, 328, 360, 369, 378, 410, 420, 492, 504, 540, 574, 615, 630, 738, 756, 820, 840, 861, 945, 984, 1080, 1107, 1148, 1230, 1260, 1435, 1476, 1512, 1640, 1722, 1845, 1890, 2214, 2296, 2460, 2520, 2583, 2870, 2952, 3444, 3690, 3780, 4305, 4428, 4920, 5166, 5535, 5740, 6888, 7380, 7560, 7749, 8610, 8856, 10332, 11070, 11480, 12915, 14760, 15498, 17220, 20664, 22140, 25830, 30996, 34440, 38745, 44280, 51660, 61992, 64513, 77490, 103320, 129026, 154980, 193539, 258052, 309960, 322565, 387078, 451591, 516104, 580617, 645130, 774156, 903182, 967695, 1161234, 1290260, 1354773, 1548312, 1741851, 1806364, 1935390, 2257955, 2322468, 2580520, 2645033, 2709546, 2903085, 3483702, 3612728, 3870780, 4064319, 4515910, 4644936, 5290066, 5419092, 5806170, 6773865, 6967404, 7741560, 7935099, 8128638, 8709255, 9031820, 10580132, 10838184, 11612340, 12192957, 13225165, 13547730, 13934808, 15870198, 16257276, 17418510, 18063640, 18515231, 20321595, 21160264, 23224680, 23805297, 24385914, 26450330, 27095460, 31740396, 32514552, 34837020, 37030462, 39675495, 40643190, 47610594, 48771828, 52900660, 54190920, 55545693, 60964785, 63480792, 69674040, 71415891, 74060924, 79350990, 81286380, 92576155, 95221188, 97543656, 105801320, 111091386, 119026485, 121929570, 142831782, 148121848, 158701980, 162572760, 166637079, 185152310, 190442376, 222182772, 238052970, 243859140, 277728465, 285663564, 317403960, 333274158, 357079455, 370304620, 444365544, 476105940, 487718280, 499911237, 555456930, 571327128, 666548316, 714158910, 740609240, 833185395, 952211880, 999822474, 1110913860, 1333096632, 1428317820, 1666370790, 1999644948, 2221827720, 2499556185, 2856635640, 3332741580, 3999289896, 4999112370, 6665483160, 9998224740, 19996449480]

約数ペア:

[(1, 19996449480), (2, 9998224740), (3, 6665483160), (4, 4999112370), (5, 3999289896), (6, 3332741580), (7, 2856635640), (8, 2499556185), (9, 2221827720), (10, 1999644948), (12, 1666370790), (14, 1428317820), (15, 1333096632), (18, 1110913860), (20, 999822474), (21, 952211880), (24, 833185395), (27, 740609240), (28, 714158910), (30, 666548316), (35, 571327128), (36, 555456930), (40, 499911237), (41, 487718280), (42, 476105940), (45, 444365544), (54, 370304620), (56, 357079455), (60, 333274158), (63, 317403960), (70, 285663564), (72, 277728465), (82, 243859140), (84, 238052970), (90, 222182772), (105, 190442376), (108, 185152310), (120, 166637079), (123, 162572760), (126, 158701980), (135, 148121848), (140, 142831782), (164, 121929570), (168, 119026485), (180, 111091386), (189, 105801320), (205, 97543656), (210, 95221188), (216, 92576155), (246, 81286380), (252, 79350990), (270, 74060924), (280, 71415891), (287, 69674040), (315, 63480792), (328, 60964785), (360, 55545693), (369, 54190920), (378, 52900660), (410, 48771828), (420, 47610594), (492, 40643190), (504, 39675495), (540, 37030462), (574, 34837020), (615, 32514552), (630, 31740396), (738, 27095460), (756, 26450330), (820, 24385914), (840, 23805297), (861, 23224680), (945, 21160264), (984, 20321595), (1080, 18515231), (1107, 18063640), (1148, 17418510), (1230, 16257276), (1260, 15870198), (1435, 13934808), (1476, 13547730), (1512, 13225165), (1640, 12192957), (1722, 11612340), (1845, 10838184), (1890, 10580132), (2214, 9031820), (2296, 8709255), (2460, 8128638), (2520, 7935099), (2583, 7741560), (2870, 6967404), (2952, 6773865), (3444, 5806170), (3690, 5419092), (3780, 5290066), (4305, 4644936), (4428, 4515910), (4920, 4064319), (5166, 3870780), (5535, 3612728), (5740, 3483702), (6888, 2903085), (7380, 2709546), (7560, 2645033), (7749, 2580520), (8610, 2322468), (8856, 2257955), (10332, 1935390), (11070, 1806364), (11480, 1741851), (12915, 1548312), (14760, 1354773), (15498, 1290260), (17220, 1161234), (20664, 967695), (22140, 903182), (25830, 774156), (30996, 645130), (34440, 580617), (38745, 516104), (44280, 451591), (51660, 387078), (61992, 322565), (64513, 309960), (77490, 258052), (103320, 193539), (129026, 154980)]