30883020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^2\times {\mathrm{139}}^1$

素因数の和:204

約数の個数: 144

約数和(自身を含む): 104052480

約数和(自身を除く): 73169460

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 23, 28, 30, 35, 42, 46, 60, 69, 70, 84, 92, 105, 115, 138, 139, 140, 161, 210, 230, 276, 278, 322, 345, 417, 420, 460, 483, 529, 556, 644, 690, 695, 805, 834, 966, 973, 1058, 1380, 1390, 1587, 1610, 1668, 1932, 1946, 2085, 2116, 2415, 2645, 2780, 2919, 3174, 3197, 3220, 3703, 3892, 4170, 4830, 4865, 5290, 5838, 6348, 6394, 7406, 7935, 8340, 9591, 9660, 9730, 10580, 11109, 11676, 12788, 14595, 14812, 15870, 15985, 18515, 19182, 19460, 22218, 22379, 29190, 31740, 31970, 37030, 38364, 44436, 44758, 47955, 55545, 58380, 63940, 67137, 73531, 74060, 89516, 95910, 111090, 111895, 134274, 147062, 191820, 220593, 222180, 223790, 268548, 294124, 335685, 367655, 441186, 447580, 514717, 671370, 735310, 882372, 1029434, 1102965, 1342740, 1470620, 1544151, 2058868, 2205930, 2573585, 3088302, 4411860, 5147170, 6176604, 7720755, 10294340, 15441510, 30883020]

約数ペア:

[(1, 30883020), (2, 15441510), (3, 10294340), (4, 7720755), (5, 6176604), (6, 5147170), (7, 4411860), (10, 3088302), (12, 2573585), (14, 2205930), (15, 2058868), (20, 1544151), (21, 1470620), (23, 1342740), (28, 1102965), (30, 1029434), (35, 882372), (42, 735310), (46, 671370), (60, 514717), (69, 447580), (70, 441186), (84, 367655), (92, 335685), (105, 294124), (115, 268548), (138, 223790), (139, 222180), (140, 220593), (161, 191820), (210, 147062), (230, 134274), (276, 111895), (278, 111090), (322, 95910), (345, 89516), (417, 74060), (420, 73531), (460, 67137), (483, 63940), (529, 58380), (556, 55545), (644, 47955), (690, 44758), (695, 44436), (805, 38364), (834, 37030), (966, 31970), (973, 31740), (1058, 29190), (1380, 22379), (1390, 22218), (1587, 19460), (1610, 19182), (1668, 18515), (1932, 15985), (1946, 15870), (2085, 14812), (2116, 14595), (2415, 12788), (2645, 11676), (2780, 11109), (2919, 10580), (3174, 9730), (3197, 9660), (3220, 9591), (3703, 8340), (3892, 7935), (4170, 7406), (4830, 6394), (4865, 6348), (5290, 5838)]