18666480

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{271}}^1$

素因数の和:335

約数の個数: 160

約数和(自身を含む): 67995648

約数和(自身を除く): 49329168

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 41, 42, 48, 56, 60, 70, 80, 82, 84, 105, 112, 120, 123, 140, 164, 168, 205, 210, 240, 246, 271, 280, 287, 328, 336, 410, 420, 492, 542, 560, 574, 615, 656, 813, 820, 840, 861, 984, 1084, 1148, 1230, 1355, 1435, 1626, 1640, 1680, 1722, 1897, 1968, 2168, 2296, 2460, 2710, 2870, 3252, 3280, 3444, 3794, 4065, 4305, 4336, 4592, 4920, 5420, 5691, 5740, 6504, 6888, 7588, 8130, 8610, 9485, 9840, 10840, 11111, 11382, 11480, 13008, 13776, 15176, 16260, 17220, 18970, 21680, 22222, 22764, 22960, 28455, 30352, 32520, 33333, 34440, 37940, 44444, 45528, 55555, 56910, 65040, 66666, 68880, 75880, 77777, 88888, 91056, 111110, 113820, 133332, 151760, 155554, 166665, 177776, 222220, 227640, 233331, 266664, 311108, 333330, 388885, 444440, 455280, 466662, 533328, 622216, 666660, 777770, 888880, 933324, 1166655, 1244432, 1333320, 1555540, 1866648, 2333310, 2666640, 3111080, 3733296, 4666620, 6222160, 9333240, 18666480]

約数ペア:

[(1, 18666480), (2, 9333240), (3, 6222160), (4, 4666620), (5, 3733296), (6, 3111080), (7, 2666640), (8, 2333310), (10, 1866648), (12, 1555540), (14, 1333320), (15, 1244432), (16, 1166655), (20, 933324), (21, 888880), (24, 777770), (28, 666660), (30, 622216), (35, 533328), (40, 466662), (41, 455280), (42, 444440), (48, 388885), (56, 333330), (60, 311108), (70, 266664), (80, 233331), (82, 227640), (84, 222220), (105, 177776), (112, 166665), (120, 155554), (123, 151760), (140, 133332), (164, 113820), (168, 111110), (205, 91056), (210, 88888), (240, 77777), (246, 75880), (271, 68880), (280, 66666), (287, 65040), (328, 56910), (336, 55555), (410, 45528), (420, 44444), (492, 37940), (542, 34440), (560, 33333), (574, 32520), (615, 30352), (656, 28455), (813, 22960), (820, 22764), (840, 22222), (861, 21680), (984, 18970), (1084, 17220), (1148, 16260), (1230, 15176), (1355, 13776), (1435, 13008), (1626, 11480), (1640, 11382), (1680, 11111), (1722, 10840), (1897, 9840), (1968, 9485), (2168, 8610), (2296, 8130), (2460, 7588), (2710, 6888), (2870, 6504), (3252, 5740), (3280, 5691), (3444, 5420), (3794, 4920), (4065, 4592), (4305, 4336)]