251885280

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{389}}^1$

素因数の和:497

約数の個数: 192

約数和(自身を含む): 849139200

約数和(自身を除く): 597253920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 48, 57, 60, 71, 76, 80, 95, 96, 114, 120, 142, 152, 160, 190, 213, 228, 240, 284, 285, 304, 355, 380, 389, 426, 456, 480, 568, 570, 608, 710, 760, 778, 852, 912, 1065, 1136, 1140, 1167, 1349, 1420, 1520, 1556, 1704, 1824, 1945, 2130, 2272, 2280, 2334, 2698, 2840, 3040, 3112, 3408, 3890, 4047, 4260, 4560, 4668, 5396, 5680, 5835, 6224, 6745, 6816, 7391, 7780, 8094, 8520, 9120, 9336, 10792, 11360, 11670, 12448, 13490, 14782, 15560, 16188, 17040, 18672, 20235, 21584, 22173, 23340, 26980, 27619, 29564, 31120, 32376, 34080, 36955, 37344, 40470, 43168, 44346, 46680, 53960, 55238, 59128, 62240, 64752, 73910, 80940, 82857, 88692, 93360, 107920, 110476, 110865, 118256, 129504, 138095, 147820, 161880, 165714, 177384, 186720, 215840, 220952, 221730, 236512, 276190, 295640, 323760, 331428, 354768, 414285, 441904, 443460, 524761, 552380, 591280, 647520, 662856, 709536, 828570, 883808, 886920, 1049522, 1104760, 1182560, 1325712, 1574283, 1657140, 1773840, 2099044, 2209520, 2623805, 2651424, 3148566, 3314280, 3547680, 4198088, 4419040, 5247610, 6297132, 6628560, 7871415, 8396176, 10495220, 12594264, 13257120, 15742830, 16792352, 20990440, 25188528, 31485660, 41980880, 50377056, 62971320, 83961760, 125942640, 251885280]

約数ペア:

[(1, 251885280), (2, 125942640), (3, 83961760), (4, 62971320), (5, 50377056), (6, 41980880), (8, 31485660), (10, 25188528), (12, 20990440), (15, 16792352), (16, 15742830), (19, 13257120), (20, 12594264), (24, 10495220), (30, 8396176), (32, 7871415), (38, 6628560), (40, 6297132), (48, 5247610), (57, 4419040), (60, 4198088), (71, 3547680), (76, 3314280), (80, 3148566), (95, 2651424), (96, 2623805), (114, 2209520), (120, 2099044), (142, 1773840), (152, 1657140), (160, 1574283), (190, 1325712), (213, 1182560), (228, 1104760), (240, 1049522), (284, 886920), (285, 883808), (304, 828570), (355, 709536), (380, 662856), (389, 647520), (426, 591280), (456, 552380), (480, 524761), (568, 443460), (570, 441904), (608, 414285), (710, 354768), (760, 331428), (778, 323760), (852, 295640), (912, 276190), (1065, 236512), (1136, 221730), (1140, 220952), (1167, 215840), (1349, 186720), (1420, 177384), (1520, 165714), (1556, 161880), (1704, 147820), (1824, 138095), (1945, 129504), (2130, 118256), (2272, 110865), (2280, 110476), (2334, 107920), (2698, 93360), (2840, 88692), (3040, 82857), (3112, 80940), (3408, 73910), (3890, 64752), (4047, 62240), (4260, 59128), (4560, 55238), (4668, 53960), (5396, 46680), (5680, 44346), (5835, 43168), (6224, 40470), (6745, 37344), (6816, 36955), (7391, 34080), (7780, 32376), (8094, 31120), (8520, 29564), (9120, 27619), (9336, 26980), (10792, 23340), (11360, 22173), (11670, 21584), (12448, 20235), (13490, 18672), (14782, 17040), (15560, 16188)]