20151663960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{181}}^1\times {\mathrm{331}}^1\times {\mathrm{2803}}^1$

素因数の和:3329

約数の個数: 128

約数和(自身を含む): 60994402560

約数和(自身を除く): 40842738600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 181, 331, 362, 543, 662, 724, 905, 993, 1086, 1324, 1448, 1655, 1810, 1986, 2172, 2648, 2715, 2803, 3310, 3620, 3972, 4344, 4965, 5430, 5606, 6620, 7240, 7944, 8409, 9930, 10860, 11212, 13240, 14015, 16818, 19860, 21720, 22424, 28030, 33636, 39720, 42045, 56060, 59911, 67272, 84090, 112120, 119822, 168180, 179733, 239644, 299555, 336360, 359466, 479288, 507343, 599110, 718932, 898665, 927793, 1014686, 1198220, 1437864, 1522029, 1797330, 1855586, 2029372, 2396440, 2536715, 2783379, 3044058, 3594660, 3711172, 4058744, 4638965, 5073430, 5566758, 6088116, 7189320, 7422344, 7610145, 9277930, 10146860, 11133516, 12176232, 13916895, 15220290, 18555860, 20293720, 22267032, 27833790, 30440580, 37111720, 55667580, 60881160, 111335160, 167930533, 335861066, 503791599, 671722132, 839652665, 1007583198, 1343444264, 1679305330, 2015166396, 2518957995, 3358610660, 4030332792, 5037915990, 6717221320, 10075831980, 20151663960]

約数ペア:

[(1, 20151663960), (2, 10075831980), (3, 6717221320), (4, 5037915990), (5, 4030332792), (6, 3358610660), (8, 2518957995), (10, 2015166396), (12, 1679305330), (15, 1343444264), (20, 1007583198), (24, 839652665), (30, 671722132), (40, 503791599), (60, 335861066), (120, 167930533), (181, 111335160), (331, 60881160), (362, 55667580), (543, 37111720), (662, 30440580), (724, 27833790), (905, 22267032), (993, 20293720), (1086, 18555860), (1324, 15220290), (1448, 13916895), (1655, 12176232), (1810, 11133516), (1986, 10146860), (2172, 9277930), (2648, 7610145), (2715, 7422344), (2803, 7189320), (3310, 6088116), (3620, 5566758), (3972, 5073430), (4344, 4638965), (4965, 4058744), (5430, 3711172), (5606, 3594660), (6620, 3044058), (7240, 2783379), (7944, 2536715), (8409, 2396440), (9930, 2029372), (10860, 1855586), (11212, 1797330), (13240, 1522029), (14015, 1437864), (16818, 1198220), (19860, 1014686), (21720, 927793), (22424, 898665), (28030, 718932), (33636, 599110), (39720, 507343), (42045, 479288), (56060, 359466), (59911, 336360), (67272, 299555), (84090, 239644), (112120, 179733), (119822, 168180)]