80447640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1$

素因数の和:226

約数の個数: 256

約数和(自身を含む): 304819200

約数和(自身を除く): 224371560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 53, 56, 60, 65, 70, 78, 84, 91, 104, 105, 106, 120, 130, 139, 140, 156, 159, 168, 182, 195, 210, 212, 260, 265, 273, 278, 280, 312, 318, 364, 371, 390, 417, 420, 424, 455, 520, 530, 546, 556, 636, 689, 695, 728, 742, 780, 795, 834, 840, 910, 973, 1060, 1092, 1112, 1113, 1272, 1365, 1378, 1390, 1484, 1560, 1590, 1668, 1807, 1820, 1855, 1946, 2067, 2085, 2120, 2184, 2226, 2730, 2756, 2780, 2919, 2968, 3180, 3336, 3445, 3614, 3640, 3710, 3892, 4134, 4170, 4452, 4823, 4865, 5421, 5460, 5512, 5560, 5565, 5838, 6360, 6890, 7228, 7367, 7420, 7784, 8268, 8340, 8904, 9035, 9646, 9730, 10335, 10842, 10920, 11130, 11676, 12649, 13780, 14456, 14469, 14595, 14734, 14840, 16536, 16680, 18070, 19292, 19460, 20670, 21684, 22101, 22260, 23352, 24115, 25298, 27105, 27560, 28938, 29190, 29468, 36140, 36835, 37947, 38584, 38920, 41340, 43368, 44202, 44520, 48230, 50596, 51569, 54210, 57876, 58380, 58936, 63245, 72280, 72345, 73670, 75894, 82680, 88404, 95771, 96460, 101192, 103138, 108420, 110505, 115752, 116760, 126490, 144690, 147340, 151788, 154707, 176808, 189735, 191542, 192920, 206276, 216840, 221010, 252980, 257845, 287313, 289380, 294680, 303576, 309414, 379470, 383084, 412552, 442020, 478855, 505960, 515690, 574626, 578760, 618828, 670397, 758940, 766168, 773535, 884040, 957710, 1031380, 1149252, 1237656, 1340794, 1436565, 1517880, 1547070, 1915420, 2011191, 2062760, 2298504, 2681588, 2873130, 3094140, 3351985, 3830840, 4022382, 5363176, 5746260, 6188280, 6703970, 8044764, 10055955, 11492520, 13407940, 16089528, 20111910, 26815880, 40223820, 80447640]

約数ペア:

[(1, 80447640), (2, 40223820), (3, 26815880), (4, 20111910), (5, 16089528), (6, 13407940), (7, 11492520), (8, 10055955), (10, 8044764), (12, 6703970), (13, 6188280), (14, 5746260), (15, 5363176), (20, 4022382), (21, 3830840), (24, 3351985), (26, 3094140), (28, 2873130), (30, 2681588), (35, 2298504), (39, 2062760), (40, 2011191), (42, 1915420), (52, 1547070), (53, 1517880), (56, 1436565), (60, 1340794), (65, 1237656), (70, 1149252), (78, 1031380), (84, 957710), (91, 884040), (104, 773535), (105, 766168), (106, 758940), (120, 670397), (130, 618828), (139, 578760), (140, 574626), (156, 515690), (159, 505960), (168, 478855), (182, 442020), (195, 412552), (210, 383084), (212, 379470), (260, 309414), (265, 303576), (273, 294680), (278, 289380), (280, 287313), (312, 257845), (318, 252980), (364, 221010), (371, 216840), (390, 206276), (417, 192920), (420, 191542), (424, 189735), (455, 176808), (520, 154707), (530, 151788), (546, 147340), (556, 144690), (636, 126490), (689, 116760), (695, 115752), (728, 110505), (742, 108420), (780, 103138), (795, 101192), (834, 96460), (840, 95771), (910, 88404), (973, 82680), (1060, 75894), (1092, 73670), (1112, 72345), (1113, 72280), (1272, 63245), (1365, 58936), (1378, 58380), (1390, 57876), (1484, 54210), (1560, 51569), (1590, 50596), (1668, 48230), (1807, 44520), (1820, 44202), (1855, 43368), (1946, 41340), (2067, 38920), (2085, 38584), (2120, 37947), (2184, 36835), (2226, 36140), (2730, 29468), (2756, 29190), (2780, 28938), (2919, 27560), (2968, 27105), (3180, 25298), (3336, 24115), (3445, 23352), (3614, 22260), (3640, 22101), (3710, 21684), (3892, 20670), (4134, 19460), (4170, 19292), (4452, 18070), (4823, 16680), (4865, 16536), (5421, 14840), (5460, 14734), (5512, 14595), (5560, 14469), (5565, 14456), (5838, 13780), (6360, 12649), (6890, 11676), (7228, 11130), (7367, 10920), (7420, 10842), (7784, 10335), (8268, 9730), (8340, 9646), (8904, 9035)]