1721416680

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{1087}}^1$

素因数の和:1240

約数の個数: 192

約数和(自身を含む): 5774146560

約数和(自身を除く): 4052729880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 53, 60, 72, 83, 90, 106, 120, 159, 166, 180, 212, 249, 265, 318, 332, 360, 415, 424, 477, 498, 530, 636, 664, 747, 795, 830, 954, 996, 1060, 1087, 1245, 1272, 1494, 1590, 1660, 1908, 1992, 2120, 2174, 2385, 2490, 2988, 3180, 3261, 3320, 3735, 3816, 4348, 4399, 4770, 4980, 5435, 5976, 6360, 6522, 7470, 8696, 8798, 9540, 9783, 9960, 10870, 13044, 13197, 14940, 16305, 17596, 19080, 19566, 21740, 21995, 26088, 26394, 29880, 32610, 35192, 39132, 39591, 43480, 43990, 48915, 52788, 57611, 65220, 65985, 78264, 79182, 87980, 90221, 97830, 105576, 115222, 130440, 131970, 158364, 172833, 175960, 180442, 195660, 197955, 230444, 263940, 270663, 288055, 316728, 345666, 360884, 391320, 395910, 451105, 460888, 518499, 527880, 541326, 576110, 691332, 721768, 791820, 811989, 864165, 902210, 1036998, 1082652, 1152220, 1353315, 1382664, 1583640, 1623978, 1728330, 1804420, 2073996, 2165304, 2304440, 2592495, 2706630, 3247956, 3456660, 3608840, 4059945, 4147992, 4781713, 5184990, 5413260, 6495912, 6913320, 8119890, 9563426, 10369980, 10826520, 14345139, 16239780, 19126852, 20739960, 23908565, 28690278, 32479560, 38253704, 43035417, 47817130, 57380556, 71725695, 86070834, 95634260, 114761112, 143451390, 172141668, 191268520, 215177085, 286902780, 344283336, 430354170, 573805560, 860708340, 1721416680]

約数ペア:

[(1, 1721416680), (2, 860708340), (3, 573805560), (4, 430354170), (5, 344283336), (6, 286902780), (8, 215177085), (9, 191268520), (10, 172141668), (12, 143451390), (15, 114761112), (18, 95634260), (20, 86070834), (24, 71725695), (30, 57380556), (36, 47817130), (40, 43035417), (45, 38253704), (53, 32479560), (60, 28690278), (72, 23908565), (83, 20739960), (90, 19126852), (106, 16239780), (120, 14345139), (159, 10826520), (166, 10369980), (180, 9563426), (212, 8119890), (249, 6913320), (265, 6495912), (318, 5413260), (332, 5184990), (360, 4781713), (415, 4147992), (424, 4059945), (477, 3608840), (498, 3456660), (530, 3247956), (636, 2706630), (664, 2592495), (747, 2304440), (795, 2165304), (830, 2073996), (954, 1804420), (996, 1728330), (1060, 1623978), (1087, 1583640), (1245, 1382664), (1272, 1353315), (1494, 1152220), (1590, 1082652), (1660, 1036998), (1908, 902210), (1992, 864165), (2120, 811989), (2174, 791820), (2385, 721768), (2490, 691332), (2988, 576110), (3180, 541326), (3261, 527880), (3320, 518499), (3735, 460888), (3816, 451105), (4348, 395910), (4399, 391320), (4770, 360884), (4980, 345666), (5435, 316728), (5976, 288055), (6360, 270663), (6522, 263940), (7470, 230444), (8696, 197955), (8798, 195660), (9540, 180442), (9783, 175960), (9960, 172833), (10870, 158364), (13044, 131970), (13197, 130440), (14940, 115222), (16305, 105576), (17596, 97830), (19080, 90221), (19566, 87980), (21740, 79182), (21995, 78264), (26088, 65985), (26394, 65220), (29880, 57611), (32610, 52788), (35192, 48915), (39132, 43990), (39591, 43480)]