308505060

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{28097}}^1$

素因数の和:28173

約数の個数: 72

約数和(自身を含む): 951173496

約数和(自身を除く): 642668436

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 61, 90, 122, 180, 183, 244, 305, 366, 549, 610, 732, 915, 1098, 1220, 1830, 2196, 2745, 3660, 5490, 10980, 28097, 56194, 84291, 112388, 140485, 168582, 252873, 280970, 337164, 421455, 505746, 561940, 842910, 1011492, 1264365, 1685820, 1713917, 2528730, 3427834, 5057460, 5141751, 6855668, 8569585, 10283502, 15425253, 17139170, 20567004, 25708755, 30850506, 34278340, 51417510, 61701012, 77126265, 102835020, 154252530, 308505060]

約数ペア:

[(1, 308505060), (2, 154252530), (3, 102835020), (4, 77126265), (5, 61701012), (6, 51417510), (9, 34278340), (10, 30850506), (12, 25708755), (15, 20567004), (18, 17139170), (20, 15425253), (30, 10283502), (36, 8569585), (45, 6855668), (60, 5141751), (61, 5057460), (90, 3427834), (122, 2528730), (180, 1713917), (183, 1685820), (244, 1264365), (305, 1011492), (366, 842910), (549, 561940), (610, 505746), (732, 421455), (915, 337164), (1098, 280970), (1220, 252873), (1830, 168582), (2196, 140485), (2745, 112388), (3660, 84291), (5490, 56194), (10980, 28097)]