72429420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{521}}^1$

素因数の和:871

約数の個数: 96

約数和(自身を含む): 232920576

約数和(自身を除く): 160491156

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 331, 420, 521, 662, 993, 1042, 1324, 1563, 1655, 1986, 2084, 2317, 2605, 3126, 3310, 3647, 3972, 4634, 4965, 5210, 6252, 6620, 6951, 7294, 7815, 9268, 9930, 10420, 10941, 11585, 13902, 14588, 15630, 18235, 19860, 21882, 23170, 27804, 31260, 34755, 36470, 43764, 46340, 54705, 69510, 72940, 109410, 139020, 172451, 218820, 344902, 517353, 689804, 862255, 1034706, 1207157, 1724510, 2069412, 2414314, 2586765, 3449020, 3621471, 4828628, 5173530, 6035785, 7242942, 10347060, 12071570, 14485884, 18107355, 24143140, 36214710, 72429420]

約数ペア:

[(1, 72429420), (2, 36214710), (3, 24143140), (4, 18107355), (5, 14485884), (6, 12071570), (7, 10347060), (10, 7242942), (12, 6035785), (14, 5173530), (15, 4828628), (20, 3621471), (21, 3449020), (28, 2586765), (30, 2414314), (35, 2069412), (42, 1724510), (60, 1207157), (70, 1034706), (84, 862255), (105, 689804), (140, 517353), (210, 344902), (331, 218820), (420, 172451), (521, 139020), (662, 109410), (993, 72940), (1042, 69510), (1324, 54705), (1563, 46340), (1655, 43764), (1986, 36470), (2084, 34755), (2317, 31260), (2605, 27804), (3126, 23170), (3310, 21882), (3647, 19860), (3972, 18235), (4634, 15630), (4965, 14588), (5210, 13902), (6252, 11585), (6620, 10941), (6951, 10420), (7294, 9930), (7815, 9268)]