28640280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{7699}}^1$

素因数の和:7744

約数の個数: 64

約数和(自身を含む): 88704000

約数和(自身を除く): 60063720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 155, 186, 248, 310, 372, 465, 620, 744, 930, 1240, 1860, 3720, 7699, 15398, 23097, 30796, 38495, 46194, 61592, 76990, 92388, 115485, 153980, 184776, 230970, 238669, 307960, 461940, 477338, 716007, 923880, 954676, 1193345, 1432014, 1909352, 2386690, 2864028, 3580035, 4773380, 5728056, 7160070, 9546760, 14320140, 28640280]

約数ペア:

[(1, 28640280), (2, 14320140), (3, 9546760), (4, 7160070), (5, 5728056), (6, 4773380), (8, 3580035), (10, 2864028), (12, 2386690), (15, 1909352), (20, 1432014), (24, 1193345), (30, 954676), (31, 923880), (40, 716007), (60, 477338), (62, 461940), (93, 307960), (120, 238669), (124, 230970), (155, 184776), (186, 153980), (248, 115485), (310, 92388), (372, 76990), (465, 61592), (620, 46194), (744, 38495), (930, 30796), (1240, 23097), (1860, 15398), (3720, 7699)]