1272460720

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{241}}^1\times {\mathrm{2129}}^1$

素因数の和:2414

約数の個数: 80

約数和(自身を含む): 3068017920

約数和(自身を除く): 1795557200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 241, 248, 310, 482, 496, 620, 964, 1205, 1240, 1928, 2129, 2410, 2480, 3856, 4258, 4820, 7471, 8516, 9640, 10645, 14942, 17032, 19280, 21290, 29884, 34064, 37355, 42580, 59768, 65999, 74710, 85160, 119536, 131998, 149420, 170320, 263996, 298840, 329995, 513089, 527992, 597680, 659990, 1026178, 1055984, 1319980, 2052356, 2565445, 2639960, 4104712, 5130890, 5279920, 8209424, 10261780, 15905759, 20523560, 31811518, 41047120, 63623036, 79528795, 127246072, 159057590, 254492144, 318115180, 636230360, 1272460720]

約数ペア:

[(1, 1272460720), (2, 636230360), (4, 318115180), (5, 254492144), (8, 159057590), (10, 127246072), (16, 79528795), (20, 63623036), (31, 41047120), (40, 31811518), (62, 20523560), (80, 15905759), (124, 10261780), (155, 8209424), (241, 5279920), (248, 5130890), (310, 4104712), (482, 2639960), (496, 2565445), (620, 2052356), (964, 1319980), (1205, 1055984), (1240, 1026178), (1928, 659990), (2129, 597680), (2410, 527992), (2480, 513089), (3856, 329995), (4258, 298840), (4820, 263996), (7471, 170320), (8516, 149420), (9640, 131998), (10645, 119536), (14942, 85160), (17032, 74710), (19280, 65999), (21290, 59768), (29884, 42580), (34064, 37355)]