74701380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{139}}^1$

素因数の和:230

約数の個数: 144

約数和(自身を含む): 232424640

約数和(自身を除く): 157723260

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 53, 60, 65, 78, 106, 130, 139, 156, 159, 169, 195, 212, 260, 265, 278, 318, 338, 390, 417, 507, 530, 556, 636, 676, 689, 695, 780, 795, 834, 845, 1014, 1060, 1378, 1390, 1590, 1668, 1690, 1807, 2028, 2067, 2085, 2535, 2756, 2780, 3180, 3380, 3445, 3614, 4134, 4170, 5070, 5421, 6890, 7228, 7367, 8268, 8340, 8957, 9035, 10140, 10335, 10842, 13780, 14734, 17914, 18070, 20670, 21684, 22101, 23491, 26871, 27105, 29468, 35828, 36140, 36835, 41340, 44202, 44785, 46982, 53742, 54210, 70473, 73670, 88404, 89570, 93964, 95771, 107484, 108420, 110505, 117455, 134355, 140946, 147340, 179140, 191542, 221010, 234910, 268710, 281892, 287313, 352365, 383084, 442020, 469820, 478855, 537420, 574626, 704730, 957710, 1149252, 1245023, 1409460, 1436565, 1915420, 2490046, 2873130, 3735069, 4980092, 5746260, 6225115, 7470138, 12450230, 14940276, 18675345, 24900460, 37350690, 74701380]

約数ペア:

[(1, 74701380), (2, 37350690), (3, 24900460), (4, 18675345), (5, 14940276), (6, 12450230), (10, 7470138), (12, 6225115), (13, 5746260), (15, 4980092), (20, 3735069), (26, 2873130), (30, 2490046), (39, 1915420), (52, 1436565), (53, 1409460), (60, 1245023), (65, 1149252), (78, 957710), (106, 704730), (130, 574626), (139, 537420), (156, 478855), (159, 469820), (169, 442020), (195, 383084), (212, 352365), (260, 287313), (265, 281892), (278, 268710), (318, 234910), (338, 221010), (390, 191542), (417, 179140), (507, 147340), (530, 140946), (556, 134355), (636, 117455), (676, 110505), (689, 108420), (695, 107484), (780, 95771), (795, 93964), (834, 89570), (845, 88404), (1014, 73670), (1060, 70473), (1378, 54210), (1390, 53742), (1590, 46982), (1668, 44785), (1690, 44202), (1807, 41340), (2028, 36835), (2067, 36140), (2085, 35828), (2535, 29468), (2756, 27105), (2780, 26871), (3180, 23491), (3380, 22101), (3445, 21684), (3614, 20670), (4134, 18070), (4170, 17914), (5070, 14734), (5421, 13780), (6890, 10842), (7228, 10335), (7367, 10140), (8268, 9035), (8340, 8957)]