18955031880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{503}}^1\times {\mathrm{4423}}^1$

素因数の和:5011

約数の個数: 128

約数和(自身を含む): 57793720320

約数和(自身を除く): 38838688440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 71, 120, 142, 213, 284, 355, 426, 503, 568, 710, 852, 1006, 1065, 1420, 1509, 1704, 2012, 2130, 2515, 2840, 3018, 4024, 4260, 4423, 5030, 6036, 7545, 8520, 8846, 10060, 12072, 13269, 15090, 17692, 20120, 22115, 26538, 30180, 35384, 35713, 44230, 53076, 60360, 66345, 71426, 88460, 106152, 107139, 132690, 142852, 176920, 178565, 214278, 265380, 285704, 314033, 357130, 428556, 530760, 535695, 628066, 714260, 857112, 942099, 1071390, 1256132, 1428520, 1570165, 1884198, 2142780, 2224769, 2512264, 3140330, 3768396, 4285560, 4449538, 4710495, 6280660, 6674307, 7536792, 8899076, 9420990, 11123845, 12561320, 13348614, 17798152, 18841980, 22247690, 26697228, 33371535, 37683960, 44495380, 53394456, 66743070, 88990760, 133486140, 157958599, 266972280, 315917198, 473875797, 631834396, 789792995, 947751594, 1263668792, 1579585990, 1895503188, 2369378985, 3159171980, 3791006376, 4738757970, 6318343960, 9477515940, 18955031880]

約数ペア:

[(1, 18955031880), (2, 9477515940), (3, 6318343960), (4, 4738757970), (5, 3791006376), (6, 3159171980), (8, 2369378985), (10, 1895503188), (12, 1579585990), (15, 1263668792), (20, 947751594), (24, 789792995), (30, 631834396), (40, 473875797), (60, 315917198), (71, 266972280), (120, 157958599), (142, 133486140), (213, 88990760), (284, 66743070), (355, 53394456), (426, 44495380), (503, 37683960), (568, 33371535), (710, 26697228), (852, 22247690), (1006, 18841980), (1065, 17798152), (1420, 13348614), (1509, 12561320), (1704, 11123845), (2012, 9420990), (2130, 8899076), (2515, 7536792), (2840, 6674307), (3018, 6280660), (4024, 4710495), (4260, 4449538), (4423, 4285560), (5030, 3768396), (6036, 3140330), (7545, 2512264), (8520, 2224769), (8846, 2142780), (10060, 1884198), (12072, 1570165), (13269, 1428520), (15090, 1256132), (17692, 1071390), (20120, 942099), (22115, 857112), (26538, 714260), (30180, 628066), (35384, 535695), (35713, 530760), (44230, 428556), (53076, 357130), (60360, 314033), (66345, 285704), (71426, 265380), (88460, 214278), (106152, 178565), (107139, 176920), (132690, 142852)]