18930150

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1$

素因数の和:131

約数の個数: 144

約数和(自身を含む): 55710720

約数和(自身を除く): 36780570

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 25, 30, 31, 45, 46, 50, 59, 62, 69, 75, 90, 93, 115, 118, 138, 150, 155, 177, 186, 207, 225, 230, 279, 295, 310, 345, 354, 414, 450, 465, 531, 558, 575, 590, 690, 713, 775, 885, 930, 1035, 1062, 1150, 1357, 1395, 1426, 1475, 1550, 1725, 1770, 1829, 2070, 2139, 2325, 2655, 2714, 2790, 2950, 3450, 3565, 3658, 4071, 4278, 4425, 4650, 5175, 5310, 5487, 6417, 6785, 6975, 7130, 8142, 8850, 9145, 10350, 10695, 10974, 12213, 12834, 13275, 13570, 13950, 16461, 17825, 18290, 20355, 21390, 24426, 26550, 27435, 32085, 32922, 33925, 35650, 40710, 42067, 45725, 53475, 54870, 61065, 64170, 67850, 82305, 84134, 91450, 101775, 106950, 122130, 126201, 137175, 160425, 164610, 203550, 210335, 252402, 274350, 305325, 320850, 378603, 411525, 420670, 610650, 631005, 757206, 823050, 1051675, 1262010, 1893015, 2103350, 3155025, 3786030, 6310050, 9465075, 18930150]

約数ペア:

[(1, 18930150), (2, 9465075), (3, 6310050), (5, 3786030), (6, 3155025), (9, 2103350), (10, 1893015), (15, 1262010), (18, 1051675), (23, 823050), (25, 757206), (30, 631005), (31, 610650), (45, 420670), (46, 411525), (50, 378603), (59, 320850), (62, 305325), (69, 274350), (75, 252402), (90, 210335), (93, 203550), (115, 164610), (118, 160425), (138, 137175), (150, 126201), (155, 122130), (177, 106950), (186, 101775), (207, 91450), (225, 84134), (230, 82305), (279, 67850), (295, 64170), (310, 61065), (345, 54870), (354, 53475), (414, 45725), (450, 42067), (465, 40710), (531, 35650), (558, 33925), (575, 32922), (590, 32085), (690, 27435), (713, 26550), (775, 24426), (885, 21390), (930, 20355), (1035, 18290), (1062, 17825), (1150, 16461), (1357, 13950), (1395, 13570), (1426, 13275), (1475, 12834), (1550, 12213), (1725, 10974), (1770, 10695), (1829, 10350), (2070, 9145), (2139, 8850), (2325, 8142), (2655, 7130), (2714, 6975), (2790, 6785), (2950, 6417), (3450, 5487), (3565, 5310), (3658, 5175), (4071, 4650), (4278, 4425)]