247234920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{1621}}^1$

素因数の和:1707

約数の個数: 128

約数和(自身を含む): 784788480

約数和(自身を除く): 537553560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 41, 60, 62, 82, 93, 120, 123, 124, 155, 164, 186, 205, 246, 248, 310, 328, 372, 410, 465, 492, 615, 620, 744, 820, 930, 984, 1230, 1240, 1271, 1621, 1640, 1860, 2460, 2542, 3242, 3720, 3813, 4863, 4920, 5084, 6355, 6484, 7626, 8105, 9726, 10168, 12710, 12968, 15252, 16210, 19065, 19452, 24315, 25420, 30504, 32420, 38130, 38904, 48630, 50251, 50840, 64840, 66461, 76260, 97260, 100502, 132922, 150753, 152520, 194520, 199383, 201004, 251255, 265844, 301506, 332305, 398766, 402008, 502510, 531688, 603012, 664610, 753765, 797532, 996915, 1005020, 1206024, 1329220, 1507530, 1595064, 1993830, 2010040, 2060291, 2658440, 3015060, 3987660, 4120582, 6030120, 6180873, 7975320, 8241164, 10301455, 12361746, 16482328, 20602910, 24723492, 30904365, 41205820, 49446984, 61808730, 82411640, 123617460, 247234920]

約数ペア:

[(1, 247234920), (2, 123617460), (3, 82411640), (4, 61808730), (5, 49446984), (6, 41205820), (8, 30904365), (10, 24723492), (12, 20602910), (15, 16482328), (20, 12361746), (24, 10301455), (30, 8241164), (31, 7975320), (40, 6180873), (41, 6030120), (60, 4120582), (62, 3987660), (82, 3015060), (93, 2658440), (120, 2060291), (123, 2010040), (124, 1993830), (155, 1595064), (164, 1507530), (186, 1329220), (205, 1206024), (246, 1005020), (248, 996915), (310, 797532), (328, 753765), (372, 664610), (410, 603012), (465, 531688), (492, 502510), (615, 402008), (620, 398766), (744, 332305), (820, 301506), (930, 265844), (984, 251255), (1230, 201004), (1240, 199383), (1271, 194520), (1621, 152520), (1640, 150753), (1860, 132922), (2460, 100502), (2542, 97260), (3242, 76260), (3720, 66461), (3813, 64840), (4863, 50840), (4920, 50251), (5084, 48630), (6355, 38904), (6484, 38130), (7626, 32420), (8105, 30504), (9726, 25420), (10168, 24315), (12710, 19452), (12968, 19065), (15252, 16210)]