681910320

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31223}}^1$

素因数の和:31259

約数の個数: 160

約数和(自身を含む): 2601833472

約数和(自身を除く): 1919923152

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 48, 52, 56, 60, 65, 70, 78, 80, 84, 91, 104, 105, 112, 120, 130, 140, 156, 168, 182, 195, 208, 210, 240, 260, 273, 280, 312, 336, 364, 390, 420, 455, 520, 546, 560, 624, 728, 780, 840, 910, 1040, 1092, 1365, 1456, 1560, 1680, 1820, 2184, 2730, 3120, 3640, 4368, 5460, 7280, 10920, 21840, 31223, 62446, 93669, 124892, 156115, 187338, 218561, 249784, 312230, 374676, 405899, 437122, 468345, 499568, 624460, 655683, 749352, 811798, 874244, 936690, 1092805, 1217697, 1248920, 1311366, 1498704, 1623596, 1748488, 1873380, 2029495, 2185610, 2435394, 2497840, 2622732, 2841293, 3247192, 3278415, 3496976, 3746760, 4058990, 4371220, 4870788, 5245464, 5682586, 6088485, 6494384, 6556830, 7493520, 8117980, 8523879, 8742440, 9741576, 10490928, 11365172, 12176970, 13113660, 14206465, 16235960, 17047758, 17484880, 19483152, 22730344, 24353940, 26227320, 28412930, 32471920, 34095516, 42619395, 45460688, 48707880, 52454640, 56825860, 68191032, 85238790, 97415760, 113651720, 136382064, 170477580, 227303440, 340955160, 681910320]

約数ペア:

[(1, 681910320), (2, 340955160), (3, 227303440), (4, 170477580), (5, 136382064), (6, 113651720), (7, 97415760), (8, 85238790), (10, 68191032), (12, 56825860), (13, 52454640), (14, 48707880), (15, 45460688), (16, 42619395), (20, 34095516), (21, 32471920), (24, 28412930), (26, 26227320), (28, 24353940), (30, 22730344), (35, 19483152), (39, 17484880), (40, 17047758), (42, 16235960), (48, 14206465), (52, 13113660), (56, 12176970), (60, 11365172), (65, 10490928), (70, 9741576), (78, 8742440), (80, 8523879), (84, 8117980), (91, 7493520), (104, 6556830), (105, 6494384), (112, 6088485), (120, 5682586), (130, 5245464), (140, 4870788), (156, 4371220), (168, 4058990), (182, 3746760), (195, 3496976), (208, 3278415), (210, 3247192), (240, 2841293), (260, 2622732), (273, 2497840), (280, 2435394), (312, 2185610), (336, 2029495), (364, 1873380), (390, 1748488), (420, 1623596), (455, 1498704), (520, 1311366), (546, 1248920), (560, 1217697), (624, 1092805), (728, 936690), (780, 874244), (840, 811798), (910, 749352), (1040, 655683), (1092, 624460), (1365, 499568), (1456, 468345), (1560, 437122), (1680, 405899), (1820, 374676), (2184, 312230), (2730, 249784), (3120, 218561), (3640, 187338), (4368, 156115), (5460, 124892), (7280, 93669), (10920, 62446), (21840, 31223)]