8129940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1489}}^1$

素因数の和:1521

約数の個数: 96

約数和(自身を含む): 28035840

約数和(自身を除く): 19905900

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 130, 140, 156, 182, 195, 210, 260, 273, 364, 390, 420, 455, 546, 780, 910, 1092, 1365, 1489, 1820, 2730, 2978, 4467, 5460, 5956, 7445, 8934, 10423, 14890, 17868, 19357, 20846, 22335, 29780, 31269, 38714, 41692, 44670, 52115, 58071, 62538, 77428, 89340, 96785, 104230, 116142, 125076, 135499, 156345, 193570, 208460, 232284, 270998, 290355, 312690, 387140, 406497, 541996, 580710, 625380, 677495, 812994, 1161420, 1354990, 1625988, 2032485, 2709980, 4064970, 8129940]

約数ペア:

[(1, 8129940), (2, 4064970), (3, 2709980), (4, 2032485), (5, 1625988), (6, 1354990), (7, 1161420), (10, 812994), (12, 677495), (13, 625380), (14, 580710), (15, 541996), (20, 406497), (21, 387140), (26, 312690), (28, 290355), (30, 270998), (35, 232284), (39, 208460), (42, 193570), (52, 156345), (60, 135499), (65, 125076), (70, 116142), (78, 104230), (84, 96785), (91, 89340), (105, 77428), (130, 62538), (140, 58071), (156, 52115), (182, 44670), (195, 41692), (210, 38714), (260, 31269), (273, 29780), (364, 22335), (390, 20846), (420, 19357), (455, 17868), (546, 14890), (780, 10423), (910, 8934), (1092, 7445), (1365, 5956), (1489, 5460), (1820, 4467), (2730, 2978)]