127880460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^2\times {\mathrm{79}}^1$

素因数の和:157

約数の個数: 216

約数和(自身を含む): 434790720

約数和(自身を除く): 306910260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 23, 30, 34, 36, 45, 46, 51, 60, 68, 69, 79, 85, 90, 92, 102, 115, 138, 153, 158, 170, 180, 204, 207, 230, 237, 255, 276, 306, 316, 340, 345, 391, 395, 414, 460, 474, 510, 529, 612, 690, 711, 765, 782, 790, 828, 948, 1020, 1035, 1058, 1173, 1185, 1343, 1380, 1422, 1530, 1564, 1580, 1587, 1817, 1955, 2070, 2116, 2346, 2370, 2645, 2686, 2844, 3060, 3174, 3519, 3555, 3634, 3910, 4029, 4140, 4692, 4740, 4761, 5290, 5372, 5451, 5865, 6348, 6715, 7038, 7110, 7268, 7820, 7935, 8058, 8993, 9085, 9522, 10580, 10902, 11730, 12087, 13430, 14076, 14220, 15870, 16116, 16353, 17595, 17986, 18170, 19044, 20145, 21804, 23460, 23805, 24174, 26860, 26979, 27255, 30889, 31740, 32706, 35190, 35972, 36340, 40290, 41791, 44965, 47610, 48348, 53958, 54510, 60435, 61778, 65412, 70380, 80580, 80937, 81765, 83582, 89930, 92667, 95220, 107916, 109020, 120870, 123556, 125373, 134895, 154445, 161874, 163530, 167164, 179860, 185334, 208955, 241740, 250746, 269790, 278001, 308890, 323748, 327060, 370668, 376119, 404685, 417910, 463335, 501492, 539580, 556002, 617780, 626865, 710447, 752238, 809370, 835820, 926670, 1112004, 1253730, 1390005, 1420894, 1504476, 1618740, 1853340, 1880595, 2131341, 2507460, 2780010, 2841788, 3552235, 3761190, 4262682, 5560020, 6394023, 7104470, 7522380, 8525364, 10656705, 12788046, 14208940, 21313410, 25576092, 31970115, 42626820, 63940230, 127880460]

約数ペア:

[(1, 127880460), (2, 63940230), (3, 42626820), (4, 31970115), (5, 25576092), (6, 21313410), (9, 14208940), (10, 12788046), (12, 10656705), (15, 8525364), (17, 7522380), (18, 7104470), (20, 6394023), (23, 5560020), (30, 4262682), (34, 3761190), (36, 3552235), (45, 2841788), (46, 2780010), (51, 2507460), (60, 2131341), (68, 1880595), (69, 1853340), (79, 1618740), (85, 1504476), (90, 1420894), (92, 1390005), (102, 1253730), (115, 1112004), (138, 926670), (153, 835820), (158, 809370), (170, 752238), (180, 710447), (204, 626865), (207, 617780), (230, 556002), (237, 539580), (255, 501492), (276, 463335), (306, 417910), (316, 404685), (340, 376119), (345, 370668), (391, 327060), (395, 323748), (414, 308890), (460, 278001), (474, 269790), (510, 250746), (529, 241740), (612, 208955), (690, 185334), (711, 179860), (765, 167164), (782, 163530), (790, 161874), (828, 154445), (948, 134895), (1020, 125373), (1035, 123556), (1058, 120870), (1173, 109020), (1185, 107916), (1343, 95220), (1380, 92667), (1422, 89930), (1530, 83582), (1564, 81765), (1580, 80937), (1587, 80580), (1817, 70380), (1955, 65412), (2070, 61778), (2116, 60435), (2346, 54510), (2370, 53958), (2645, 48348), (2686, 47610), (2844, 44965), (3060, 41791), (3174, 40290), (3519, 36340), (3555, 35972), (3634, 35190), (3910, 32706), (4029, 31740), (4140, 30889), (4692, 27255), (4740, 26979), (4761, 26860), (5290, 24174), (5372, 23805), (5451, 23460), (5865, 21804), (6348, 20145), (6715, 19044), (7038, 18170), (7110, 17986), (7268, 17595), (7820, 16353), (7935, 16116), (8058, 15870), (8993, 14220), (9085, 14076), (9522, 13430), (10580, 12087), (10902, 11730)]