18190680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{241}}^1$

素因数の和:309

約数の個数: 128

約数和(自身を含む): 59590080

約数和(自身を除く): 41399400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 37, 40, 51, 60, 68, 74, 85, 102, 111, 120, 136, 148, 170, 185, 204, 222, 241, 255, 296, 340, 370, 408, 444, 482, 510, 555, 629, 680, 723, 740, 888, 964, 1020, 1110, 1205, 1258, 1446, 1480, 1887, 1928, 2040, 2220, 2410, 2516, 2892, 3145, 3615, 3774, 4097, 4440, 4820, 5032, 5784, 6290, 7230, 7548, 8194, 8917, 9435, 9640, 12291, 12580, 14460, 15096, 16388, 17834, 18870, 20485, 24582, 25160, 26751, 28920, 32776, 35668, 37740, 40970, 44585, 49164, 53502, 61455, 71336, 75480, 81940, 89170, 98328, 107004, 122910, 133755, 151589, 163880, 178340, 214008, 245820, 267510, 303178, 356680, 454767, 491640, 535020, 606356, 757945, 909534, 1070040, 1212712, 1515890, 1819068, 2273835, 3031780, 3638136, 4547670, 6063560, 9095340, 18190680]

約数ペア:

[(1, 18190680), (2, 9095340), (3, 6063560), (4, 4547670), (5, 3638136), (6, 3031780), (8, 2273835), (10, 1819068), (12, 1515890), (15, 1212712), (17, 1070040), (20, 909534), (24, 757945), (30, 606356), (34, 535020), (37, 491640), (40, 454767), (51, 356680), (60, 303178), (68, 267510), (74, 245820), (85, 214008), (102, 178340), (111, 163880), (120, 151589), (136, 133755), (148, 122910), (170, 107004), (185, 98328), (204, 89170), (222, 81940), (241, 75480), (255, 71336), (296, 61455), (340, 53502), (370, 49164), (408, 44585), (444, 40970), (482, 37740), (510, 35668), (555, 32776), (629, 28920), (680, 26751), (723, 25160), (740, 24582), (888, 20485), (964, 18870), (1020, 17834), (1110, 16388), (1205, 15096), (1258, 14460), (1446, 12580), (1480, 12291), (1887, 9640), (1928, 9435), (2040, 8917), (2220, 8194), (2410, 7548), (2516, 7230), (2892, 6290), (3145, 5784), (3615, 5032), (3774, 4820), (4097, 4440)]