18815160

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1723}}^1$

素因数の和:1757

約数の個数: 128

約数和(自身を含む): 69511680

約数和(自身を除く): 50696520

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, 390, 420, 455, 520, 546, 728, 780, 840, 910, 1092, 1365, 1560, 1723, 1820, 2184, 2730, 3446, 3640, 5169, 5460, 6892, 8615, 10338, 10920, 12061, 13784, 17230, 20676, 22399, 24122, 25845, 34460, 36183, 41352, 44798, 48244, 51690, 60305, 67197, 68920, 72366, 89596, 96488, 103380, 111995, 120610, 134394, 144732, 156793, 179192, 180915, 206760, 223990, 241220, 268788, 289464, 313586, 335985, 361830, 447980, 470379, 482440, 537576, 627172, 671970, 723660, 783965, 895960, 940758, 1254344, 1343940, 1447320, 1567930, 1881516, 2351895, 2687880, 3135860, 3763032, 4703790, 6271720, 9407580, 18815160]

約数ペア:

[(1, 18815160), (2, 9407580), (3, 6271720), (4, 4703790), (5, 3763032), (6, 3135860), (7, 2687880), (8, 2351895), (10, 1881516), (12, 1567930), (13, 1447320), (14, 1343940), (15, 1254344), (20, 940758), (21, 895960), (24, 783965), (26, 723660), (28, 671970), (30, 627172), (35, 537576), (39, 482440), (40, 470379), (42, 447980), (52, 361830), (56, 335985), (60, 313586), (65, 289464), (70, 268788), (78, 241220), (84, 223990), (91, 206760), (104, 180915), (105, 179192), (120, 156793), (130, 144732), (140, 134394), (156, 120610), (168, 111995), (182, 103380), (195, 96488), (210, 89596), (260, 72366), (273, 68920), (280, 67197), (312, 60305), (364, 51690), (390, 48244), (420, 44798), (455, 41352), (520, 36183), (546, 34460), (728, 25845), (780, 24122), (840, 22399), (910, 20676), (1092, 17230), (1365, 13784), (1560, 12061), (1723, 10920), (1820, 10338), (2184, 8615), (2730, 6892), (3446, 5460), (3640, 5169)]