8915988120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{331}}^1\times {\mathrm{557}}^1$

素因数の和:946

約数の個数: 256

約数和(自身を含む): 29878087680

約数和(自身を除く): 20962099560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 31, 39, 40, 52, 60, 62, 65, 78, 93, 104, 120, 124, 130, 155, 156, 186, 195, 248, 260, 310, 312, 331, 372, 390, 403, 465, 520, 557, 620, 662, 744, 780, 806, 930, 993, 1114, 1209, 1240, 1324, 1560, 1612, 1655, 1671, 1860, 1986, 2015, 2228, 2418, 2648, 2785, 3224, 3310, 3342, 3720, 3972, 4030, 4303, 4456, 4836, 4965, 5570, 6045, 6620, 6684, 7241, 7944, 8060, 8355, 8606, 9672, 9930, 10261, 11140, 12090, 12909, 13240, 13368, 14482, 16120, 16710, 17212, 17267, 19860, 20522, 21515, 21723, 22280, 24180, 25818, 28964, 30783, 33420, 34424, 34534, 36205, 39720, 41044, 43030, 43446, 48360, 51305, 51636, 51801, 57928, 61566, 64545, 66840, 69068, 72410, 82088, 86060, 86335, 86892, 102610, 103272, 103602, 108615, 123132, 129090, 133393, 138136, 144820, 153915, 172120, 172670, 173784, 184367, 205220, 207204, 217230, 224471, 246264, 258180, 259005, 266786, 289640, 307830, 345340, 368734, 400179, 410440, 414408, 434460, 448942, 516360, 518010, 533572, 553101, 615660, 666965, 673413, 690680, 737468, 800358, 868920, 897884, 921835, 1036020, 1067144, 1106202, 1122355, 1231320, 1333930, 1346826, 1474936, 1600716, 1795768, 1843670, 2000895, 2072040, 2212404, 2244710, 2396771, 2667860, 2693652, 2765505, 3201432, 3367065, 3687340, 4001790, 4424808, 4489420, 4793542, 5335720, 5387304, 5531010, 5715377, 6734130, 7190313, 7374680, 8003580, 8978840, 9587084, 11062020, 11430754, 11983855, 13468260, 14380626, 16007160, 17146131, 19174168, 22124040, 22861508, 23967710, 26936520, 28576885, 28761252, 34292262, 35951565, 45723016, 47935420, 57153770, 57522504, 68584524, 71903130, 74299901, 85730655, 95870840, 114307540, 137169048, 143806260, 148599802, 171461310, 222899703, 228615080, 287612520, 297199604, 342922620, 371499505, 445799406, 594399208, 685845240, 742999010, 891598812, 1114498515, 1485998020, 1783197624, 2228997030, 2971996040, 4457994060, 8915988120]

約数ペア:

[(1, 8915988120), (2, 4457994060), (3, 2971996040), (4, 2228997030), (5, 1783197624), (6, 1485998020), (8, 1114498515), (10, 891598812), (12, 742999010), (13, 685845240), (15, 594399208), (20, 445799406), (24, 371499505), (26, 342922620), (30, 297199604), (31, 287612520), (39, 228615080), (40, 222899703), (52, 171461310), (60, 148599802), (62, 143806260), (65, 137169048), (78, 114307540), (93, 95870840), (104, 85730655), (120, 74299901), (124, 71903130), (130, 68584524), (155, 57522504), (156, 57153770), (186, 47935420), (195, 45723016), (248, 35951565), (260, 34292262), (310, 28761252), (312, 28576885), (331, 26936520), (372, 23967710), (390, 22861508), (403, 22124040), (465, 19174168), (520, 17146131), (557, 16007160), (620, 14380626), (662, 13468260), (744, 11983855), (780, 11430754), (806, 11062020), (930, 9587084), (993, 8978840), (1114, 8003580), (1209, 7374680), (1240, 7190313), (1324, 6734130), (1560, 5715377), (1612, 5531010), (1655, 5387304), (1671, 5335720), (1860, 4793542), (1986, 4489420), (2015, 4424808), (2228, 4001790), (2418, 3687340), (2648, 3367065), (2785, 3201432), (3224, 2765505), (3310, 2693652), (3342, 2667860), (3720, 2396771), (3972, 2244710), (4030, 2212404), (4303, 2072040), (4456, 2000895), (4836, 1843670), (4965, 1795768), (5570, 1600716), (6045, 1474936), (6620, 1346826), (6684, 1333930), (7241, 1231320), (7944, 1122355), (8060, 1106202), (8355, 1067144), (8606, 1036020), (9672, 921835), (9930, 897884), (10261, 868920), (11140, 800358), (12090, 737468), (12909, 690680), (13240, 673413), (13368, 666965), (14482, 615660), (16120, 553101), (16710, 533572), (17212, 518010), (17267, 516360), (19860, 448942), (20522, 434460), (21515, 414408), (21723, 410440), (22280, 400179), (24180, 368734), (25818, 345340), (28964, 307830), (30783, 289640), (33420, 266786), (34424, 259005), (34534, 258180), (36205, 246264), (39720, 224471), (41044, 217230), (43030, 207204), (43446, 205220), (48360, 184367), (51305, 173784), (51636, 172670), (51801, 172120), (57928, 153915), (61566, 144820), (64545, 138136), (66840, 133393), (69068, 129090), (72410, 123132), (82088, 108615), (86060, 103602), (86335, 103272), (86892, 102610)]