4247880

素因数分解:

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

素因数の和:423

約数の個数: 128

約数和(自身を含む): 15724800

約数和(自身を除く): 11476920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 84, 91, 104, 105, 120, 130, 140, 156, 168, 182, 195, 210, 260, 273, 280, 312, 364, 389, 390, 420, 455, 520, 546, 728, 778, 780, 840, 910, 1092, 1167, 1365, 1556, 1560, 1820, 1945, 2184, 2334, 2723, 2730, 3112, 3640, 3890, 4668, 5057, 5446, 5460, 5835, 7780, 8169, 9336, 10114, 10892, 10920, 11670, 13615, 15171, 15560, 16338, 20228, 21784, 23340, 25285, 27230, 30342, 32676, 35399, 40456, 40845, 46680, 50570, 54460, 60684, 65352, 70798, 75855, 81690, 101140, 106197, 108920, 121368, 141596, 151710, 163380, 176995, 202280, 212394, 283192, 303420, 326760, 353990, 424788, 530985, 606840, 707980, 849576, 1061970, 1415960, 2123940, 4247880]

約数ペア:

[(1, 4247880), (2, 2123940), (3, 1415960), (4, 1061970), (5, 849576), (6, 707980), (7, 606840), (8, 530985), (10, 424788), (12, 353990), (13, 326760), (14, 303420), (15, 283192), (20, 212394), (21, 202280), (24, 176995), (26, 163380), (28, 151710), (30, 141596), (35, 121368), (39, 108920), (40, 106197), (42, 101140), (52, 81690), (56, 75855), (60, 70798), (65, 65352), (70, 60684), (78, 54460), (84, 50570), (91, 46680), (104, 40845), (105, 40456), (120, 35399), (130, 32676), (140, 30342), (156, 27230), (168, 25285), (182, 23340), (195, 21784), (210, 20228), (260, 16338), (273, 15560), (280, 15171), (312, 13615), (364, 11670), (389, 10920), (390, 10892), (420, 10114), (455, 9336), (520, 8169), (546, 7780), (728, 5835), (778, 5460), (780, 5446), (840, 5057), (910, 4668), (1092, 3890), (1167, 3640), (1365, 3112), (1556, 2730), (1560, 2723), (1820, 2334), (1945, 2184)]