2164739920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{6563}}^1$

素因数の和:6633

約数の個数: 160

約数和(自身を含む): 6251028480

約数和(自身を除く): 4086288560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 31, 35, 38, 40, 56, 62, 70, 76, 80, 95, 112, 124, 133, 140, 152, 155, 190, 217, 248, 266, 280, 304, 310, 380, 434, 496, 532, 560, 589, 620, 665, 760, 868, 1064, 1085, 1178, 1240, 1330, 1520, 1736, 2128, 2170, 2356, 2480, 2660, 2945, 3472, 4123, 4340, 4712, 5320, 5890, 6563, 8246, 8680, 9424, 10640, 11780, 13126, 16492, 17360, 20615, 23560, 26252, 32815, 32984, 41230, 45941, 47120, 52504, 65630, 65968, 82460, 91882, 105008, 124697, 131260, 164920, 183764, 203453, 229705, 249394, 262520, 329840, 367528, 406906, 459410, 498788, 525040, 623485, 735056, 813812, 872879, 918820, 997576, 1017265, 1246970, 1424171, 1627624, 1745758, 1837640, 1995152, 2034530, 2493940, 2848342, 3255248, 3491516, 3675280, 3865607, 4069060, 4364395, 4987880, 5696684, 6983032, 7120855, 7731214, 8138120, 8728790, 9975760, 11393368, 13966064, 14241710, 15462428, 16276240, 17457580, 19328035, 22786736, 27059249, 28483420, 30924856, 34915160, 38656070, 54118498, 56966840, 61849712, 69830320, 77312140, 108236996, 113933680, 135296245, 154624280, 216473992, 270592490, 309248560, 432947984, 541184980, 1082369960, 2164739920]

約数ペア:

[(1, 2164739920), (2, 1082369960), (4, 541184980), (5, 432947984), (7, 309248560), (8, 270592490), (10, 216473992), (14, 154624280), (16, 135296245), (19, 113933680), (20, 108236996), (28, 77312140), (31, 69830320), (35, 61849712), (38, 56966840), (40, 54118498), (56, 38656070), (62, 34915160), (70, 30924856), (76, 28483420), (80, 27059249), (95, 22786736), (112, 19328035), (124, 17457580), (133, 16276240), (140, 15462428), (152, 14241710), (155, 13966064), (190, 11393368), (217, 9975760), (248, 8728790), (266, 8138120), (280, 7731214), (304, 7120855), (310, 6983032), (380, 5696684), (434, 4987880), (496, 4364395), (532, 4069060), (560, 3865607), (589, 3675280), (620, 3491516), (665, 3255248), (760, 2848342), (868, 2493940), (1064, 2034530), (1085, 1995152), (1178, 1837640), (1240, 1745758), (1330, 1627624), (1520, 1424171), (1736, 1246970), (2128, 1017265), (2170, 997576), (2356, 918820), (2480, 872879), (2660, 813812), (2945, 735056), (3472, 623485), (4123, 525040), (4340, 498788), (4712, 459410), (5320, 406906), (5890, 367528), (6563, 329840), (8246, 262520), (8680, 249394), (9424, 229705), (10640, 203453), (11780, 183764), (13126, 164920), (16492, 131260), (17360, 124697), (20615, 105008), (23560, 91882), (26252, 82460), (32815, 65968), (32984, 65630), (41230, 52504), (45941, 47120)]