318698520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{461}}^1\times {\mathrm{823}}^1$

素因数の和:1305

約数の個数: 128

約数和(自身を含む): 1096381440

約数和(自身を除く): 777682920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 461, 823, 840, 922, 1383, 1646, 1844, 2305, 2469, 2766, 3227, 3292, 3688, 4115, 4610, 4938, 5532, 5761, 6454, 6584, 6915, 8230, 9220, 9681, 9876, 11064, 11522, 12345, 12908, 13830, 16135, 16460, 17283, 18440, 19362, 19752, 23044, 24690, 25816, 27660, 28805, 32270, 32920, 34566, 38724, 46088, 48405, 49380, 55320, 57610, 64540, 69132, 77448, 86415, 96810, 98760, 115220, 129080, 138264, 172830, 193620, 230440, 345660, 379403, 387240, 691320, 758806, 1138209, 1517612, 1897015, 2276418, 2655821, 3035224, 3794030, 4552836, 5311642, 5691045, 7588060, 7967463, 9105672, 10623284, 11382090, 13279105, 15176120, 15934926, 21246568, 22764180, 26558210, 31869852, 39837315, 45528360, 53116420, 63739704, 79674630, 106232840, 159349260, 318698520]

約数ペア:

[(1, 318698520), (2, 159349260), (3, 106232840), (4, 79674630), (5, 63739704), (6, 53116420), (7, 45528360), (8, 39837315), (10, 31869852), (12, 26558210), (14, 22764180), (15, 21246568), (20, 15934926), (21, 15176120), (24, 13279105), (28, 11382090), (30, 10623284), (35, 9105672), (40, 7967463), (42, 7588060), (56, 5691045), (60, 5311642), (70, 4552836), (84, 3794030), (105, 3035224), (120, 2655821), (140, 2276418), (168, 1897015), (210, 1517612), (280, 1138209), (420, 758806), (461, 691320), (823, 387240), (840, 379403), (922, 345660), (1383, 230440), (1646, 193620), (1844, 172830), (2305, 138264), (2469, 129080), (2766, 115220), (3227, 98760), (3292, 96810), (3688, 86415), (4115, 77448), (4610, 69132), (4938, 64540), (5532, 57610), (5761, 55320), (6454, 49380), (6584, 48405), (6915, 46088), (8230, 38724), (9220, 34566), (9681, 32920), (9876, 32270), (11064, 28805), (11522, 27660), (12345, 25816), (12908, 24690), (13830, 23044), (16135, 19752), (16460, 19362), (17283, 18440)]