4287920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:83

約数の個数: 160

約数和(自身を含む): 13332480

約数和(自身を除く): 9044560

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 19, 20, 26, 28, 31, 35, 38, 40, 52, 56, 62, 65, 70, 76, 80, 91, 95, 104, 112, 124, 130, 133, 140, 152, 155, 182, 190, 208, 217, 247, 248, 260, 266, 280, 304, 310, 364, 380, 403, 434, 455, 494, 496, 520, 532, 560, 589, 620, 665, 728, 760, 806, 868, 910, 988, 1040, 1064, 1085, 1178, 1235, 1240, 1330, 1456, 1520, 1612, 1729, 1736, 1820, 1976, 2015, 2128, 2170, 2356, 2470, 2480, 2660, 2821, 2945, 3224, 3458, 3472, 3640, 3952, 4030, 4123, 4340, 4712, 4940, 5320, 5642, 5890, 6448, 6916, 7280, 7657, 8060, 8246, 8645, 8680, 9424, 9880, 10640, 11284, 11780, 13832, 14105, 15314, 16120, 16492, 17290, 17360, 19760, 20615, 22568, 23560, 27664, 28210, 30628, 32240, 32984, 34580, 38285, 41230, 45136, 47120, 53599, 56420, 61256, 65968, 69160, 76570, 82460, 107198, 112840, 122512, 138320, 153140, 164920, 214396, 225680, 267995, 306280, 329840, 428792, 535990, 612560, 857584, 1071980, 2143960, 4287920]

約数ペア:

[(1, 4287920), (2, 2143960), (4, 1071980), (5, 857584), (7, 612560), (8, 535990), (10, 428792), (13, 329840), (14, 306280), (16, 267995), (19, 225680), (20, 214396), (26, 164920), (28, 153140), (31, 138320), (35, 122512), (38, 112840), (40, 107198), (52, 82460), (56, 76570), (62, 69160), (65, 65968), (70, 61256), (76, 56420), (80, 53599), (91, 47120), (95, 45136), (104, 41230), (112, 38285), (124, 34580), (130, 32984), (133, 32240), (140, 30628), (152, 28210), (155, 27664), (182, 23560), (190, 22568), (208, 20615), (217, 19760), (247, 17360), (248, 17290), (260, 16492), (266, 16120), (280, 15314), (304, 14105), (310, 13832), (364, 11780), (380, 11284), (403, 10640), (434, 9880), (455, 9424), (494, 8680), (496, 8645), (520, 8246), (532, 8060), (560, 7657), (589, 7280), (620, 6916), (665, 6448), (728, 5890), (760, 5642), (806, 5320), (868, 4940), (910, 4712), (988, 4340), (1040, 4123), (1064, 4030), (1085, 3952), (1178, 3640), (1235, 3472), (1240, 3458), (1330, 3224), (1456, 2945), (1520, 2821), (1612, 2660), (1729, 2480), (1736, 2470), (1820, 2356), (1976, 2170), (2015, 2128)]