280439640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1933}}^1$

素因数の和:1994

約数の個数: 192

約数和(自身を含む): 1013725440

約数和(自身を除く): 733285800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 31, 36, 39, 40, 45, 52, 60, 62, 65, 72, 78, 90, 93, 104, 117, 120, 124, 130, 155, 156, 180, 186, 195, 234, 248, 260, 279, 310, 312, 360, 372, 390, 403, 465, 468, 520, 558, 585, 620, 744, 780, 806, 930, 936, 1116, 1170, 1209, 1240, 1395, 1560, 1612, 1860, 1933, 2015, 2232, 2340, 2418, 2790, 3224, 3627, 3720, 3866, 4030, 4680, 4836, 5580, 5799, 6045, 7254, 7732, 8060, 9665, 9672, 11160, 11598, 12090, 14508, 15464, 16120, 17397, 18135, 19330, 23196, 24180, 25129, 28995, 29016, 34794, 36270, 38660, 46392, 48360, 50258, 57990, 59923, 69588, 72540, 75387, 77320, 86985, 100516, 115980, 119846, 125645, 139176, 145080, 150774, 173970, 179769, 201032, 226161, 231960, 239692, 251290, 299615, 301548, 347940, 359538, 376935, 452322, 479384, 502580, 539307, 599230, 603096, 695880, 719076, 753870, 778999, 898845, 904644, 1005160, 1078614, 1130805, 1198460, 1438152, 1507740, 1557998, 1797690, 1809288, 2157228, 2261610, 2336997, 2396920, 2696535, 3015480, 3115996, 3595380, 3894995, 4314456, 4523220, 4673994, 5393070, 6231992, 7010991, 7190760, 7789990, 9046440, 9347988, 10786140, 11684985, 14021982, 15579980, 18695976, 21572280, 23369970, 28043964, 31159960, 35054955, 46739940, 56087928, 70109910, 93479880, 140219820, 280439640]

約数ペア:

[(1, 280439640), (2, 140219820), (3, 93479880), (4, 70109910), (5, 56087928), (6, 46739940), (8, 35054955), (9, 31159960), (10, 28043964), (12, 23369970), (13, 21572280), (15, 18695976), (18, 15579980), (20, 14021982), (24, 11684985), (26, 10786140), (30, 9347988), (31, 9046440), (36, 7789990), (39, 7190760), (40, 7010991), (45, 6231992), (52, 5393070), (60, 4673994), (62, 4523220), (65, 4314456), (72, 3894995), (78, 3595380), (90, 3115996), (93, 3015480), (104, 2696535), (117, 2396920), (120, 2336997), (124, 2261610), (130, 2157228), (155, 1809288), (156, 1797690), (180, 1557998), (186, 1507740), (195, 1438152), (234, 1198460), (248, 1130805), (260, 1078614), (279, 1005160), (310, 904644), (312, 898845), (360, 778999), (372, 753870), (390, 719076), (403, 695880), (465, 603096), (468, 599230), (520, 539307), (558, 502580), (585, 479384), (620, 452322), (744, 376935), (780, 359538), (806, 347940), (930, 301548), (936, 299615), (1116, 251290), (1170, 239692), (1209, 231960), (1240, 226161), (1395, 201032), (1560, 179769), (1612, 173970), (1860, 150774), (1933, 145080), (2015, 139176), (2232, 125645), (2340, 119846), (2418, 115980), (2790, 100516), (3224, 86985), (3627, 77320), (3720, 75387), (3866, 72540), (4030, 69588), (4680, 59923), (4836, 57990), (5580, 50258), (5799, 48360), (6045, 46392), (7254, 38660), (7732, 36270), (8060, 34794), (9665, 29016), (9672, 28995), (11160, 25129), (11598, 24180), (12090, 23196), (14508, 19330), (15464, 18135), (16120, 17397)]