1680990120

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{331}}^1\times {\mathrm{14107}}^1$

素因数の和:14455

約数の個数: 96

約数和(自身を含む): 5480111520

約数和(自身を除く): 3799121400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 331, 360, 662, 993, 1324, 1655, 1986, 2648, 2979, 3310, 3972, 4965, 5958, 6620, 7944, 9930, 11916, 13240, 14107, 14895, 19860, 23832, 28214, 29790, 39720, 42321, 56428, 59580, 70535, 84642, 112856, 119160, 126963, 141070, 169284, 211605, 253926, 282140, 338568, 423210, 507852, 564280, 634815, 846420, 1015704, 1269630, 1692840, 2539260, 4669417, 5078520, 9338834, 14008251, 18677668, 23347085, 28016502, 37355336, 42024753, 46694170, 56033004, 70041255, 84049506, 93388340, 112066008, 140082510, 168099012, 186776680, 210123765, 280165020, 336198024, 420247530, 560330040, 840495060, 1680990120]

約数ペア:

[(1, 1680990120), (2, 840495060), (3, 560330040), (4, 420247530), (5, 336198024), (6, 280165020), (8, 210123765), (9, 186776680), (10, 168099012), (12, 140082510), (15, 112066008), (18, 93388340), (20, 84049506), (24, 70041255), (30, 56033004), (36, 46694170), (40, 42024753), (45, 37355336), (60, 28016502), (72, 23347085), (90, 18677668), (120, 14008251), (180, 9338834), (331, 5078520), (360, 4669417), (662, 2539260), (993, 1692840), (1324, 1269630), (1655, 1015704), (1986, 846420), (2648, 634815), (2979, 564280), (3310, 507852), (3972, 423210), (4965, 338568), (5958, 282140), (6620, 253926), (7944, 211605), (9930, 169284), (11916, 141070), (13240, 126963), (14107, 119160), (14895, 112856), (19860, 84642), (23832, 70535), (28214, 59580), (29790, 56428), (39720, 42321)]