87400560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{257}}^1$

素因数の和:395

約数の個数: 160

約数和(自身を含む): 295606080

約数和(自身を除く): 208205520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 109, 120, 130, 156, 195, 208, 218, 240, 257, 260, 312, 327, 390, 436, 514, 520, 545, 624, 654, 771, 780, 872, 1028, 1040, 1090, 1285, 1308, 1417, 1542, 1560, 1635, 1744, 2056, 2180, 2570, 2616, 2834, 3084, 3120, 3270, 3341, 3855, 4112, 4251, 4360, 5140, 5232, 5668, 6168, 6540, 6682, 7085, 7710, 8502, 8720, 10023, 10280, 11336, 12336, 13080, 13364, 14170, 15420, 16705, 17004, 20046, 20560, 21255, 22672, 26160, 26728, 28013, 28340, 30840, 33410, 34008, 40092, 42510, 50115, 53456, 56026, 56680, 61680, 66820, 68016, 80184, 84039, 85020, 100230, 112052, 113360, 133640, 140065, 160368, 168078, 170040, 200460, 224104, 267280, 280130, 336156, 340080, 364169, 400920, 420195, 448208, 560260, 672312, 728338, 801840, 840390, 1092507, 1120520, 1344624, 1456676, 1680780, 1820845, 2185014, 2241040, 2913352, 3361560, 3641690, 4370028, 5462535, 5826704, 6723120, 7283380, 8740056, 10925070, 14566760, 17480112, 21850140, 29133520, 43700280, 87400560]

約数ペア:

[(1, 87400560), (2, 43700280), (3, 29133520), (4, 21850140), (5, 17480112), (6, 14566760), (8, 10925070), (10, 8740056), (12, 7283380), (13, 6723120), (15, 5826704), (16, 5462535), (20, 4370028), (24, 3641690), (26, 3361560), (30, 2913352), (39, 2241040), (40, 2185014), (48, 1820845), (52, 1680780), (60, 1456676), (65, 1344624), (78, 1120520), (80, 1092507), (104, 840390), (109, 801840), (120, 728338), (130, 672312), (156, 560260), (195, 448208), (208, 420195), (218, 400920), (240, 364169), (257, 340080), (260, 336156), (312, 280130), (327, 267280), (390, 224104), (436, 200460), (514, 170040), (520, 168078), (545, 160368), (624, 140065), (654, 133640), (771, 113360), (780, 112052), (872, 100230), (1028, 85020), (1040, 84039), (1090, 80184), (1285, 68016), (1308, 66820), (1417, 61680), (1542, 56680), (1560, 56026), (1635, 53456), (1744, 50115), (2056, 42510), (2180, 40092), (2570, 34008), (2616, 33410), (2834, 30840), (3084, 28340), (3120, 28013), (3270, 26728), (3341, 26160), (3855, 22672), (4112, 21255), (4251, 20560), (4360, 20046), (5140, 17004), (5232, 16705), (5668, 15420), (6168, 14170), (6540, 13364), (6682, 13080), (7085, 12336), (7710, 11336), (8502, 10280), (8720, 10023)]