8129943440

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{3671}}^1$

素因数の和:3781

約数の個数: 160

約数和(自身を含む): 20981514240

約数和(自身を除く): 12851570800

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 38, 40, 47, 62, 76, 80, 94, 95, 124, 152, 155, 188, 190, 235, 248, 304, 310, 376, 380, 470, 496, 589, 620, 752, 760, 893, 940, 1178, 1240, 1457, 1520, 1786, 1880, 2356, 2480, 2914, 2945, 3572, 3671, 3760, 4465, 4712, 5828, 5890, 7144, 7285, 7342, 8930, 9424, 11656, 11780, 14288, 14570, 14684, 17860, 18355, 23312, 23560, 27683, 29140, 29368, 35720, 36710, 47120, 55366, 58280, 58736, 69749, 71440, 73420, 110732, 113801, 116560, 138415, 139498, 146840, 172537, 221464, 227602, 276830, 278996, 293680, 345074, 348745, 442928, 455204, 553660, 557992, 569005, 690148, 697490, 862685, 910408, 1107320, 1115984, 1138010, 1380296, 1394980, 1725370, 1820816, 2162219, 2214640, 2276020, 2760592, 2789960, 3278203, 3450740, 4324438, 4552040, 5348647, 5579920, 6556406, 6901480, 8648876, 9104080, 10697294, 10811095, 13112812, 13802960, 16391015, 17297752, 21394588, 21622190, 26225624, 26743235, 32782030, 34595504, 42789176, 43244380, 52451248, 53486470, 65564060, 85578352, 86488760, 101624293, 106972940, 131128120, 172977520, 203248586, 213945880, 262256240, 406497172, 427891760, 508121465, 812994344, 1016242930, 1625988688, 2032485860, 4064971720, 8129943440]

約数ペア:

[(1, 8129943440), (2, 4064971720), (4, 2032485860), (5, 1625988688), (8, 1016242930), (10, 812994344), (16, 508121465), (19, 427891760), (20, 406497172), (31, 262256240), (38, 213945880), (40, 203248586), (47, 172977520), (62, 131128120), (76, 106972940), (80, 101624293), (94, 86488760), (95, 85578352), (124, 65564060), (152, 53486470), (155, 52451248), (188, 43244380), (190, 42789176), (235, 34595504), (248, 32782030), (304, 26743235), (310, 26225624), (376, 21622190), (380, 21394588), (470, 17297752), (496, 16391015), (589, 13802960), (620, 13112812), (752, 10811095), (760, 10697294), (893, 9104080), (940, 8648876), (1178, 6901480), (1240, 6556406), (1457, 5579920), (1520, 5348647), (1786, 4552040), (1880, 4324438), (2356, 3450740), (2480, 3278203), (2914, 2789960), (2945, 2760592), (3572, 2276020), (3671, 2214640), (3760, 2162219), (4465, 1820816), (4712, 1725370), (5828, 1394980), (5890, 1380296), (7144, 1138010), (7285, 1115984), (7342, 1107320), (8930, 910408), (9424, 862685), (11656, 697490), (11780, 690148), (14288, 569005), (14570, 557992), (14684, 553660), (17860, 455204), (18355, 442928), (23312, 348745), (23560, 345074), (27683, 293680), (29140, 278996), (29368, 276830), (35720, 227602), (36710, 221464), (47120, 172537), (55366, 146840), (58280, 139498), (58736, 138415), (69749, 116560), (71440, 113801), (73420, 110732)]