42078160

素因数分解:

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

素因数の和:129

約数の個数: 120

約数和(自身を含む): 108850176

約数和(自身を除く): 66772016

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, 361, 376, 380, 470, 496, 589, 620, 722, 752, 760, 893, 940, 1178, 1240, 1444, 1457, 1520, 1786, 1805, 1880, 2356, 2480, 2888, 2914, 2945, 3572, 3610, 3760, 4465, 4712, 5776, 5828, 5890, 7144, 7220, 7285, 8930, 9424, 11191, 11656, 11780, 14288, 14440, 14570, 16967, 17860, 22382, 23312, 23560, 27683, 28880, 29140, 33934, 35720, 44764, 47120, 55366, 55955, 58280, 67868, 71440, 84835, 89528, 110732, 111910, 116560, 135736, 138415, 169670, 179056, 221464, 223820, 271472, 276830, 339340, 442928, 447640, 525977, 553660, 678680, 895280, 1051954, 1107320, 1357360, 2103908, 2214640, 2629885, 4207816, 5259770, 8415632, 10519540, 21039080, 42078160]

約数ペア:

[(1, 42078160), (2, 21039080), (4, 10519540), (5, 8415632), (8, 5259770), (10, 4207816), (16, 2629885), (19, 2214640), (20, 2103908), (31, 1357360), (38, 1107320), (40, 1051954), (47, 895280), (62, 678680), (76, 553660), (80, 525977), (94, 447640), (95, 442928), (124, 339340), (152, 276830), (155, 271472), (188, 223820), (190, 221464), (235, 179056), (248, 169670), (304, 138415), (310, 135736), (361, 116560), (376, 111910), (380, 110732), (470, 89528), (496, 84835), (589, 71440), (620, 67868), (722, 58280), (752, 55955), (760, 55366), (893, 47120), (940, 44764), (1178, 35720), (1240, 33934), (1444, 29140), (1457, 28880), (1520, 27683), (1786, 23560), (1805, 23312), (1880, 22382), (2356, 17860), (2480, 16967), (2888, 14570), (2914, 14440), (2945, 14288), (3572, 11780), (3610, 11656), (3760, 11191), (4465, 9424), (4712, 8930), (5776, 7285), (5828, 7220), (5890, 7144)]