280168980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{97}}^1$

素因数の和:175

約数の個数: 288

約数和(自身を含む): 1019714304

約数和(自身を除く): 739545324

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 23, 26, 28, 30, 35, 39, 42, 46, 52, 60, 65, 69, 70, 78, 84, 91, 92, 97, 105, 115, 130, 138, 140, 156, 161, 182, 194, 195, 210, 230, 260, 273, 276, 291, 299, 322, 345, 364, 388, 390, 420, 455, 460, 483, 485, 529, 546, 582, 598, 644, 679, 690, 780, 805, 897, 910, 966, 970, 1058, 1092, 1164, 1196, 1261, 1358, 1365, 1380, 1455, 1495, 1587, 1610, 1794, 1820, 1932, 1940, 2037, 2093, 2116, 2231, 2415, 2522, 2645, 2716, 2730, 2910, 2990, 3174, 3220, 3395, 3588, 3703, 3783, 4074, 4186, 4462, 4485, 4830, 5044, 5290, 5460, 5820, 5980, 6279, 6305, 6348, 6693, 6790, 6877, 7406, 7566, 7935, 8148, 8372, 8827, 8924, 8970, 9660, 10185, 10465, 10580, 11109, 11155, 12558, 12610, 13386, 13580, 13754, 14812, 15132, 15617, 15870, 17654, 17940, 18515, 18915, 20370, 20631, 20930, 22218, 22310, 25116, 25220, 26481, 26772, 27508, 29003, 31234, 31395, 31740, 33465, 34385, 35308, 37030, 37830, 40740, 41262, 41860, 44135, 44436, 44620, 46851, 48139, 51313, 52962, 55545, 58006, 62468, 62790, 66930, 68770, 74060, 75660, 78085, 82524, 87009, 88270, 93702, 96278, 102626, 103155, 105924, 111090, 116012, 125580, 132405, 133860, 137540, 144417, 145015, 153939, 156170, 174018, 176540, 187404, 192556, 203021, 205252, 206310, 222180, 234255, 240695, 256565, 264810, 288834, 290030, 307878, 312340, 348036, 359191, 406042, 412620, 435045, 468510, 481390, 513130, 529620, 577668, 580060, 609063, 615756, 667069, 718382, 722085, 769695, 812084, 870090, 937020, 962780, 1015105, 1026260, 1077573, 1218126, 1334138, 1436764, 1444170, 1539390, 1740180, 1795955, 2001207, 2030210, 2155146, 2436252, 2668276, 2888340, 3045315, 3078780, 3335345, 3591910, 4002414, 4060420, 4310292, 4669483, 5387865, 6090630, 6670690, 7183820, 8004828, 9338966, 10006035, 10775730, 12181260, 13341380, 14008449, 18677932, 20012070, 21551460, 23347415, 28016898, 40024140, 46694830, 56033796, 70042245, 93389660, 140084490, 280168980]

約数ペア:

[(1, 280168980), (2, 140084490), (3, 93389660), (4, 70042245), (5, 56033796), (6, 46694830), (7, 40024140), (10, 28016898), (12, 23347415), (13, 21551460), (14, 20012070), (15, 18677932), (20, 14008449), (21, 13341380), (23, 12181260), (26, 10775730), (28, 10006035), (30, 9338966), (35, 8004828), (39, 7183820), (42, 6670690), (46, 6090630), (52, 5387865), (60, 4669483), (65, 4310292), (69, 4060420), (70, 4002414), (78, 3591910), (84, 3335345), (91, 3078780), (92, 3045315), (97, 2888340), (105, 2668276), (115, 2436252), (130, 2155146), (138, 2030210), (140, 2001207), (156, 1795955), (161, 1740180), (182, 1539390), (194, 1444170), (195, 1436764), (210, 1334138), (230, 1218126), (260, 1077573), (273, 1026260), (276, 1015105), (291, 962780), (299, 937020), (322, 870090), (345, 812084), (364, 769695), (388, 722085), (390, 718382), (420, 667069), (455, 615756), (460, 609063), (483, 580060), (485, 577668), (529, 529620), (546, 513130), (582, 481390), (598, 468510), (644, 435045), (679, 412620), (690, 406042), (780, 359191), (805, 348036), (897, 312340), (910, 307878), (966, 290030), (970, 288834), (1058, 264810), (1092, 256565), (1164, 240695), (1196, 234255), (1261, 222180), (1358, 206310), (1365, 205252), (1380, 203021), (1455, 192556), (1495, 187404), (1587, 176540), (1610, 174018), (1794, 156170), (1820, 153939), (1932, 145015), (1940, 144417), (2037, 137540), (2093, 133860), (2116, 132405), (2231, 125580), (2415, 116012), (2522, 111090), (2645, 105924), (2716, 103155), (2730, 102626), (2910, 96278), (2990, 93702), (3174, 88270), (3220, 87009), (3395, 82524), (3588, 78085), (3703, 75660), (3783, 74060), (4074, 68770), (4186, 66930), (4462, 62790), (4485, 62468), (4830, 58006), (5044, 55545), (5290, 52962), (5460, 51313), (5820, 48139), (5980, 46851), (6279, 44620), (6305, 44436), (6348, 44135), (6693, 41860), (6790, 41262), (6877, 40740), (7406, 37830), (7566, 37030), (7935, 35308), (8148, 34385), (8372, 33465), (8827, 31740), (8924, 31395), (8970, 31234), (9660, 29003), (10185, 27508), (10465, 26772), (10580, 26481), (11109, 25220), (11155, 25116), (12558, 22310), (12610, 22218), (13386, 20930), (13580, 20631), (13754, 20370), (14812, 18915), (15132, 18515), (15617, 17940), (15870, 17654)]