815954720

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{331}}^1$

素因数の和:455

約数の個数: 192

約数和(自身を含む): 2313142272

約数和(自身を除く): 1497187552

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 70, 71, 80, 112, 124, 140, 142, 155, 160, 217, 224, 248, 280, 284, 310, 331, 355, 434, 496, 497, 560, 568, 620, 662, 710, 868, 992, 994, 1085, 1120, 1136, 1240, 1324, 1420, 1655, 1736, 1988, 2170, 2201, 2272, 2317, 2480, 2485, 2648, 2840, 3310, 3472, 3976, 4340, 4402, 4634, 4960, 4970, 5296, 5680, 6620, 6944, 7952, 8680, 8804, 9268, 9940, 10261, 10592, 11005, 11360, 11585, 13240, 15407, 15904, 17360, 17608, 18536, 19880, 20522, 22010, 23170, 23501, 26480, 30814, 34720, 35216, 37072, 39760, 41044, 44020, 46340, 47002, 51305, 52960, 61628, 70432, 71827, 74144, 77035, 79520, 82088, 88040, 92680, 94004, 102610, 117505, 123256, 143654, 154070, 164176, 164507, 176080, 185360, 188008, 205220, 235010, 246512, 287308, 308140, 328352, 329014, 352160, 359135, 370720, 376016, 410440, 470020, 493024, 574616, 616280, 658028, 718270, 728531, 752032, 820880, 822535, 940040, 1149232, 1232560, 1316056, 1436540, 1457062, 1641760, 1645070, 1880080, 2298464, 2465120, 2632112, 2873080, 2914124, 3290140, 3642655, 3760160, 5099717, 5264224, 5746160, 5828248, 6580280, 7285310, 10199434, 11492320, 11656496, 13160560, 14570620, 20398868, 23312992, 25498585, 26321120, 29141240, 40797736, 50997170, 58282480, 81595472, 101994340, 116564960, 163190944, 203988680, 407977360, 815954720]

約数ペア:

[(1, 815954720), (2, 407977360), (4, 203988680), (5, 163190944), (7, 116564960), (8, 101994340), (10, 81595472), (14, 58282480), (16, 50997170), (20, 40797736), (28, 29141240), (31, 26321120), (32, 25498585), (35, 23312992), (40, 20398868), (56, 14570620), (62, 13160560), (70, 11656496), (71, 11492320), (80, 10199434), (112, 7285310), (124, 6580280), (140, 5828248), (142, 5746160), (155, 5264224), (160, 5099717), (217, 3760160), (224, 3642655), (248, 3290140), (280, 2914124), (284, 2873080), (310, 2632112), (331, 2465120), (355, 2298464), (434, 1880080), (496, 1645070), (497, 1641760), (560, 1457062), (568, 1436540), (620, 1316056), (662, 1232560), (710, 1149232), (868, 940040), (992, 822535), (994, 820880), (1085, 752032), (1120, 728531), (1136, 718270), (1240, 658028), (1324, 616280), (1420, 574616), (1655, 493024), (1736, 470020), (1988, 410440), (2170, 376016), (2201, 370720), (2272, 359135), (2317, 352160), (2480, 329014), (2485, 328352), (2648, 308140), (2840, 287308), (3310, 246512), (3472, 235010), (3976, 205220), (4340, 188008), (4402, 185360), (4634, 176080), (4960, 164507), (4970, 164176), (5296, 154070), (5680, 143654), (6620, 123256), (6944, 117505), (7952, 102610), (8680, 94004), (8804, 92680), (9268, 88040), (9940, 82088), (10261, 79520), (10592, 77035), (11005, 74144), (11360, 71827), (11585, 70432), (13240, 61628), (15407, 52960), (15904, 51305), (17360, 47002), (17608, 46340), (18536, 44020), (19880, 41044), (20522, 39760), (22010, 37072), (23170, 35216), (23501, 34720), (26480, 30814)]