131670840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^4\times {\mathrm{457}}^1$

素因数の和:499

約数の個数: 160

約数和(自身を含む): 461828880

約数和(自身を除く): 330158040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 84, 98, 105, 120, 140, 147, 168, 196, 210, 245, 280, 294, 343, 392, 420, 457, 490, 588, 686, 735, 840, 914, 980, 1029, 1176, 1371, 1372, 1470, 1715, 1828, 1960, 2058, 2285, 2401, 2742, 2744, 2940, 3199, 3430, 3656, 4116, 4570, 4802, 5145, 5484, 5880, 6398, 6855, 6860, 7203, 8232, 9140, 9597, 9604, 10290, 10968, 12005, 12796, 13710, 13720, 14406, 15995, 18280, 19194, 19208, 20580, 22393, 24010, 25592, 27420, 28812, 31990, 36015, 38388, 41160, 44786, 47985, 48020, 54840, 57624, 63980, 67179, 72030, 76776, 89572, 95970, 96040, 111965, 127960, 134358, 144060, 156751, 179144, 191940, 223930, 268716, 288120, 313502, 335895, 383880, 447860, 470253, 537432, 627004, 671790, 783755, 895720, 940506, 1097257, 1254008, 1343580, 1567510, 1881012, 2194514, 2351265, 2687160, 3135020, 3291771, 3762024, 4389028, 4702530, 5486285, 6270040, 6583542, 8778056, 9405060, 10972570, 13167084, 16458855, 18810120, 21945140, 26334168, 32917710, 43890280, 65835420, 131670840]

約数ペア:

[(1, 131670840), (2, 65835420), (3, 43890280), (4, 32917710), (5, 26334168), (6, 21945140), (7, 18810120), (8, 16458855), (10, 13167084), (12, 10972570), (14, 9405060), (15, 8778056), (20, 6583542), (21, 6270040), (24, 5486285), (28, 4702530), (30, 4389028), (35, 3762024), (40, 3291771), (42, 3135020), (49, 2687160), (56, 2351265), (60, 2194514), (70, 1881012), (84, 1567510), (98, 1343580), (105, 1254008), (120, 1097257), (140, 940506), (147, 895720), (168, 783755), (196, 671790), (210, 627004), (245, 537432), (280, 470253), (294, 447860), (343, 383880), (392, 335895), (420, 313502), (457, 288120), (490, 268716), (588, 223930), (686, 191940), (735, 179144), (840, 156751), (914, 144060), (980, 134358), (1029, 127960), (1176, 111965), (1371, 96040), (1372, 95970), (1470, 89572), (1715, 76776), (1828, 72030), (1960, 67179), (2058, 63980), (2285, 57624), (2401, 54840), (2742, 48020), (2744, 47985), (2940, 44786), (3199, 41160), (3430, 38388), (3656, 36015), (4116, 31990), (4570, 28812), (4802, 27420), (5145, 25592), (5484, 24010), (5880, 22393), (6398, 20580), (6855, 19208), (6860, 19194), (7203, 18280), (8232, 15995), (9140, 14406), (9597, 13720), (9604, 13710), (10290, 12796), (10968, 12005)]