71316766520

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{419}}^1\times {\mathrm{883}}^1$

素因数の和:1453

約数の個数: 128

約数和(自身を含む): 165739392000

約数和(自身を除く): 94422625480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 79, 122, 158, 244, 305, 316, 395, 419, 488, 610, 632, 790, 838, 883, 1220, 1580, 1676, 1766, 2095, 2440, 3160, 3352, 3532, 4190, 4415, 4819, 7064, 8380, 8830, 9638, 16760, 17660, 19276, 24095, 25559, 33101, 35320, 38552, 48190, 51118, 53863, 66202, 69757, 96380, 102236, 107726, 127795, 132404, 139514, 165505, 192760, 204472, 215452, 255590, 264808, 269315, 279028, 331010, 348785, 369977, 430904, 511180, 538630, 558056, 662020, 697570, 739954, 1022360, 1077260, 1324040, 1395140, 1479908, 1849885, 2019161, 2154520, 2790280, 2959816, 3699770, 4038322, 4255177, 7399540, 8076644, 8510354, 10095805, 14799080, 16153288, 17020708, 20191610, 21275885, 22568597, 29228183, 34041416, 40383220, 42551770, 45137194, 58456366, 80766440, 85103540, 90274388, 112842985, 116912732, 146140915, 170207080, 180548776, 225685970, 233825464, 292281830, 451371940, 584563660, 902743880, 1169127320, 1782919163, 3565838326, 7131676652, 8914595815, 14263353304, 17829191630, 35658383260, 71316766520]

約数ペア:

[(1, 71316766520), (2, 35658383260), (4, 17829191630), (5, 14263353304), (8, 8914595815), (10, 7131676652), (20, 3565838326), (40, 1782919163), (61, 1169127320), (79, 902743880), (122, 584563660), (158, 451371940), (244, 292281830), (305, 233825464), (316, 225685970), (395, 180548776), (419, 170207080), (488, 146140915), (610, 116912732), (632, 112842985), (790, 90274388), (838, 85103540), (883, 80766440), (1220, 58456366), (1580, 45137194), (1676, 42551770), (1766, 40383220), (2095, 34041416), (2440, 29228183), (3160, 22568597), (3352, 21275885), (3532, 20191610), (4190, 17020708), (4415, 16153288), (4819, 14799080), (7064, 10095805), (8380, 8510354), (8830, 8076644), (9638, 7399540), (16760, 4255177), (17660, 4038322), (19276, 3699770), (24095, 2959816), (25559, 2790280), (33101, 2154520), (35320, 2019161), (38552, 1849885), (48190, 1479908), (51118, 1395140), (53863, 1324040), (66202, 1077260), (69757, 1022360), (96380, 739954), (102236, 697570), (107726, 662020), (127795, 558056), (132404, 538630), (139514, 511180), (165505, 430904), (192760, 369977), (204472, 348785), (215452, 331010), (255590, 279028), (264808, 269315)]