17238780

素因数分解:

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

素因数の和:220

約数の個数: 144

約数和(自身を含む): 57788640

約数和(自身を除く): 40549860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 53, 60, 65, 78, 90, 106, 117, 130, 139, 156, 159, 180, 195, 212, 234, 260, 265, 278, 318, 390, 417, 468, 477, 530, 556, 585, 636, 689, 695, 780, 795, 834, 954, 1060, 1170, 1251, 1378, 1390, 1590, 1668, 1807, 1908, 2067, 2085, 2340, 2385, 2502, 2756, 2780, 3180, 3445, 3614, 4134, 4170, 4770, 5004, 5421, 6201, 6255, 6890, 7228, 7367, 8268, 8340, 9035, 9540, 10335, 10842, 12402, 12510, 13780, 14734, 16263, 18070, 20670, 21684, 22101, 24804, 25020, 27105, 29468, 31005, 32526, 36140, 36835, 41340, 44202, 54210, 62010, 65052, 66303, 73670, 81315, 88404, 95771, 108420, 110505, 124020, 132606, 147340, 162630, 191542, 221010, 265212, 287313, 325260, 331515, 383084, 442020, 478855, 574626, 663030, 861939, 957710, 1149252, 1326060, 1436565, 1723878, 1915420, 2873130, 3447756, 4309695, 5746260, 8619390, 17238780]

約数ペア:

[(1, 17238780), (2, 8619390), (3, 5746260), (4, 4309695), (5, 3447756), (6, 2873130), (9, 1915420), (10, 1723878), (12, 1436565), (13, 1326060), (15, 1149252), (18, 957710), (20, 861939), (26, 663030), (30, 574626), (36, 478855), (39, 442020), (45, 383084), (52, 331515), (53, 325260), (60, 287313), (65, 265212), (78, 221010), (90, 191542), (106, 162630), (117, 147340), (130, 132606), (139, 124020), (156, 110505), (159, 108420), (180, 95771), (195, 88404), (212, 81315), (234, 73670), (260, 66303), (265, 65052), (278, 62010), (318, 54210), (390, 44202), (417, 41340), (468, 36835), (477, 36140), (530, 32526), (556, 31005), (585, 29468), (636, 27105), (689, 25020), (695, 24804), (780, 22101), (795, 21684), (834, 20670), (954, 18070), (1060, 16263), (1170, 14734), (1251, 13780), (1378, 12510), (1390, 12402), (1590, 10842), (1668, 10335), (1807, 9540), (1908, 9035), (2067, 8340), (2085, 8268), (2340, 7367), (2385, 7228), (2502, 6890), (2756, 6255), (2780, 6201), (3180, 5421), (3445, 5004), (3614, 4770), (4134, 4170)]