321478680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{971}}^1$

素因数の和:1105

約数の個数: 128

約数和(自身を含む): 1007769600

約数和(自身を除く): 686290920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 89, 93, 120, 124, 155, 178, 186, 248, 267, 310, 356, 372, 445, 465, 534, 620, 712, 744, 890, 930, 971, 1068, 1240, 1335, 1780, 1860, 1942, 2136, 2670, 2759, 2913, 3560, 3720, 3884, 4855, 5340, 5518, 5826, 7768, 8277, 9710, 10680, 11036, 11652, 13795, 14565, 16554, 19420, 22072, 23304, 27590, 29130, 30101, 33108, 38840, 41385, 55180, 58260, 60202, 66216, 82770, 86419, 90303, 110360, 116520, 120404, 150505, 165540, 172838, 180606, 240808, 259257, 301010, 331080, 345676, 361212, 432095, 451515, 518514, 602020, 691352, 722424, 864190, 903030, 1037028, 1204040, 1296285, 1728380, 1806060, 2074056, 2592570, 2678989, 3456760, 3612120, 5185140, 5357978, 8036967, 10370280, 10715956, 13394945, 16073934, 21431912, 26789890, 32147868, 40184835, 53579780, 64295736, 80369670, 107159560, 160739340, 321478680]

約数ペア:

[(1, 321478680), (2, 160739340), (3, 107159560), (4, 80369670), (5, 64295736), (6, 53579780), (8, 40184835), (10, 32147868), (12, 26789890), (15, 21431912), (20, 16073934), (24, 13394945), (30, 10715956), (31, 10370280), (40, 8036967), (60, 5357978), (62, 5185140), (89, 3612120), (93, 3456760), (120, 2678989), (124, 2592570), (155, 2074056), (178, 1806060), (186, 1728380), (248, 1296285), (267, 1204040), (310, 1037028), (356, 903030), (372, 864190), (445, 722424), (465, 691352), (534, 602020), (620, 518514), (712, 451515), (744, 432095), (890, 361212), (930, 345676), (971, 331080), (1068, 301010), (1240, 259257), (1335, 240808), (1780, 180606), (1860, 172838), (1942, 165540), (2136, 150505), (2670, 120404), (2759, 116520), (2913, 110360), (3560, 90303), (3720, 86419), (3884, 82770), (4855, 66216), (5340, 60202), (5518, 58260), (5826, 55180), (7768, 41385), (8277, 38840), (9710, 33108), (10680, 30101), (11036, 29130), (11652, 27590), (13795, 23304), (14565, 22072), (16554, 19420)]