280577250

素因数分解:

$2^1\times 3^3\times 5^3\times {\mathrm{197}}^1\times {\mathrm{211}}^1$

素因数の和:434

約数の個数: 128

約数和(自身を含む): 785790720

約数和(自身を除く): 505213470

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 30, 45, 50, 54, 75, 90, 125, 135, 150, 197, 211, 225, 250, 270, 375, 394, 422, 450, 591, 633, 675, 750, 985, 1055, 1125, 1182, 1266, 1350, 1773, 1899, 1970, 2110, 2250, 2955, 3165, 3375, 3546, 3798, 4925, 5275, 5319, 5697, 5910, 6330, 6750, 8865, 9495, 9850, 10550, 10638, 11394, 14775, 15825, 17730, 18990, 24625, 26375, 26595, 28485, 29550, 31650, 41567, 44325, 47475, 49250, 52750, 53190, 56970, 73875, 79125, 83134, 88650, 94950, 124701, 132975, 142425, 147750, 158250, 207835, 221625, 237375, 249402, 265950, 284850, 374103, 415670, 443250, 474750, 623505, 664875, 712125, 748206, 1039175, 1122309, 1247010, 1329750, 1424250, 1870515, 2078350, 2244618, 3117525, 3741030, 5195875, 5611545, 6235050, 9352575, 10391750, 11223090, 15587625, 18705150, 28057725, 31175250, 46762875, 56115450, 93525750, 140288625, 280577250]

約数ペア:

[(1, 280577250), (2, 140288625), (3, 93525750), (5, 56115450), (6, 46762875), (9, 31175250), (10, 28057725), (15, 18705150), (18, 15587625), (25, 11223090), (27, 10391750), (30, 9352575), (45, 6235050), (50, 5611545), (54, 5195875), (75, 3741030), (90, 3117525), (125, 2244618), (135, 2078350), (150, 1870515), (197, 1424250), (211, 1329750), (225, 1247010), (250, 1122309), (270, 1039175), (375, 748206), (394, 712125), (422, 664875), (450, 623505), (591, 474750), (633, 443250), (675, 415670), (750, 374103), (985, 284850), (1055, 265950), (1125, 249402), (1182, 237375), (1266, 221625), (1350, 207835), (1773, 158250), (1899, 147750), (1970, 142425), (2110, 132975), (2250, 124701), (2955, 94950), (3165, 88650), (3375, 83134), (3546, 79125), (3798, 73875), (4925, 56970), (5275, 53190), (5319, 52750), (5697, 49250), (5910, 47475), (6330, 44325), (6750, 41567), (8865, 31650), (9495, 29550), (9850, 28485), (10550, 26595), (10638, 26375), (11394, 24625), (14775, 18990), (15825, 17730)]