20177430

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{389}}^1$

素因数の和:438

約数の個数: 128

約数和(自身を含む): 62899200

約数和(自身を除く): 42721770

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 19, 21, 26, 30, 35, 38, 39, 42, 57, 65, 70, 78, 91, 95, 105, 114, 130, 133, 182, 190, 195, 210, 247, 266, 273, 285, 389, 390, 399, 455, 494, 546, 570, 665, 741, 778, 798, 910, 1167, 1235, 1330, 1365, 1482, 1729, 1945, 1995, 2334, 2470, 2723, 2730, 3458, 3705, 3890, 3990, 5057, 5187, 5446, 5835, 7391, 7410, 8169, 8645, 10114, 10374, 11670, 13615, 14782, 15171, 16338, 17290, 22173, 25285, 25935, 27230, 30342, 35399, 36955, 40845, 44346, 50570, 51737, 51870, 70798, 73910, 75855, 81690, 96083, 103474, 106197, 110865, 151710, 155211, 176995, 192166, 212394, 221730, 258685, 288249, 310422, 353990, 480415, 517370, 530985, 576498, 672581, 776055, 960830, 1061970, 1345162, 1441245, 1552110, 2017743, 2882490, 3362905, 4035486, 6725810, 10088715, 20177430]

約数ペア:

[(1, 20177430), (2, 10088715), (3, 6725810), (5, 4035486), (6, 3362905), (7, 2882490), (10, 2017743), (13, 1552110), (14, 1441245), (15, 1345162), (19, 1061970), (21, 960830), (26, 776055), (30, 672581), (35, 576498), (38, 530985), (39, 517370), (42, 480415), (57, 353990), (65, 310422), (70, 288249), (78, 258685), (91, 221730), (95, 212394), (105, 192166), (114, 176995), (130, 155211), (133, 151710), (182, 110865), (190, 106197), (195, 103474), (210, 96083), (247, 81690), (266, 75855), (273, 73910), (285, 70798), (389, 51870), (390, 51737), (399, 50570), (455, 44346), (494, 40845), (546, 36955), (570, 35399), (665, 30342), (741, 27230), (778, 25935), (798, 25285), (910, 22173), (1167, 17290), (1235, 16338), (1330, 15171), (1365, 14782), (1482, 13615), (1729, 11670), (1945, 10374), (1995, 10114), (2334, 8645), (2470, 8169), (2723, 7410), (2730, 7391), (3458, 5835), (3705, 5446), (3890, 5187), (3990, 5057)]