251258720

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1\times {\mathrm{283}}^1$

素因数の和:508

約数の個数: 96

約数和(自身を含む): 618347520

約数和(自身を除く): 367088800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 179, 248, 283, 310, 358, 496, 566, 620, 716, 895, 992, 1132, 1240, 1415, 1432, 1790, 2264, 2480, 2830, 2864, 3580, 4528, 4960, 5549, 5660, 5728, 7160, 8773, 9056, 11098, 11320, 14320, 17546, 22196, 22640, 27745, 28640, 35092, 43865, 44392, 45280, 50657, 55490, 70184, 87730, 88784, 101314, 110980, 140368, 175460, 177568, 202628, 221960, 253285, 280736, 350920, 405256, 443920, 506570, 701840, 810512, 887840, 1013140, 1403680, 1570367, 1621024, 2026280, 3140734, 4052560, 6281468, 7851835, 8105120, 12562936, 15703670, 25125872, 31407340, 50251744, 62814680, 125629360, 251258720]

約数ペア:

[(1, 251258720), (2, 125629360), (4, 62814680), (5, 50251744), (8, 31407340), (10, 25125872), (16, 15703670), (20, 12562936), (31, 8105120), (32, 7851835), (40, 6281468), (62, 4052560), (80, 3140734), (124, 2026280), (155, 1621024), (160, 1570367), (179, 1403680), (248, 1013140), (283, 887840), (310, 810512), (358, 701840), (496, 506570), (566, 443920), (620, 405256), (716, 350920), (895, 280736), (992, 253285), (1132, 221960), (1240, 202628), (1415, 177568), (1432, 175460), (1790, 140368), (2264, 110980), (2480, 101314), (2830, 88784), (2864, 87730), (3580, 70184), (4528, 55490), (4960, 50657), (5549, 45280), (5660, 44392), (5728, 43865), (7160, 35092), (8773, 28640), (9056, 27745), (11098, 22640), (11320, 22196), (14320, 17546)]