128645580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^4\times {\mathrm{19}}^1\times {\mathrm{47}}^1$

素因数の和:106

約数の個数: 240

約数和(自身を含む): 451745280

約数和(自身を除く): 323099700

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 47, 49, 57, 60, 70, 76, 84, 94, 95, 98, 105, 114, 133, 140, 141, 147, 188, 190, 196, 210, 228, 235, 245, 266, 282, 285, 294, 329, 343, 380, 399, 420, 470, 490, 532, 564, 570, 588, 658, 665, 686, 705, 735, 798, 893, 931, 940, 980, 987, 1029, 1140, 1316, 1330, 1372, 1410, 1470, 1596, 1645, 1715, 1786, 1862, 1974, 1995, 2058, 2303, 2401, 2660, 2679, 2793, 2820, 2940, 3290, 3430, 3572, 3724, 3948, 3990, 4116, 4465, 4606, 4655, 4802, 4935, 5145, 5358, 5586, 6251, 6517, 6580, 6860, 6909, 7203, 7980, 8930, 9212, 9310, 9604, 9870, 10290, 10716, 11172, 11515, 12005, 12502, 13034, 13395, 13818, 13965, 14406, 16121, 17860, 18620, 18753, 19551, 19740, 20580, 23030, 24010, 25004, 26068, 26790, 27636, 27930, 28812, 31255, 32242, 32585, 34545, 36015, 37506, 39102, 43757, 45619, 46060, 48020, 48363, 53580, 55860, 62510, 64484, 65170, 69090, 72030, 75012, 78204, 80605, 87514, 91238, 93765, 96726, 97755, 112847, 125020, 130340, 131271, 136857, 138180, 144060, 161210, 175028, 182476, 187530, 193452, 195510, 218785, 225694, 228095, 241815, 262542, 273714, 306299, 322420, 338541, 375060, 391020, 437570, 451388, 456190, 483630, 525084, 547428, 564235, 612598, 656355, 677082, 684285, 875140, 912380, 918897, 967260, 1128470, 1225196, 1312710, 1354164, 1368570, 1531495, 1692705, 1837794, 2144093, 2256940, 2625420, 2737140, 3062990, 3385410, 3675588, 4288186, 4594485, 6125980, 6432279, 6770820, 8576372, 9188970, 10720465, 12864558, 18377940, 21440930, 25729116, 32161395, 42881860, 64322790, 128645580]

約数ペア:

[(1, 128645580), (2, 64322790), (3, 42881860), (4, 32161395), (5, 25729116), (6, 21440930), (7, 18377940), (10, 12864558), (12, 10720465), (14, 9188970), (15, 8576372), (19, 6770820), (20, 6432279), (21, 6125980), (28, 4594485), (30, 4288186), (35, 3675588), (38, 3385410), (42, 3062990), (47, 2737140), (49, 2625420), (57, 2256940), (60, 2144093), (70, 1837794), (76, 1692705), (84, 1531495), (94, 1368570), (95, 1354164), (98, 1312710), (105, 1225196), (114, 1128470), (133, 967260), (140, 918897), (141, 912380), (147, 875140), (188, 684285), (190, 677082), (196, 656355), (210, 612598), (228, 564235), (235, 547428), (245, 525084), (266, 483630), (282, 456190), (285, 451388), (294, 437570), (329, 391020), (343, 375060), (380, 338541), (399, 322420), (420, 306299), (470, 273714), (490, 262542), (532, 241815), (564, 228095), (570, 225694), (588, 218785), (658, 195510), (665, 193452), (686, 187530), (705, 182476), (735, 175028), (798, 161210), (893, 144060), (931, 138180), (940, 136857), (980, 131271), (987, 130340), (1029, 125020), (1140, 112847), (1316, 97755), (1330, 96726), (1372, 93765), (1410, 91238), (1470, 87514), (1596, 80605), (1645, 78204), (1715, 75012), (1786, 72030), (1862, 69090), (1974, 65170), (1995, 64484), (2058, 62510), (2303, 55860), (2401, 53580), (2660, 48363), (2679, 48020), (2793, 46060), (2820, 45619), (2940, 43757), (3290, 39102), (3430, 37506), (3572, 36015), (3724, 34545), (3948, 32585), (3990, 32242), (4116, 31255), (4465, 28812), (4606, 27930), (4655, 27636), (4802, 26790), (4935, 26068), (5145, 25004), (5358, 24010), (5586, 23030), (6251, 20580), (6517, 19740), (6580, 19551), (6860, 18753), (6909, 18620), (7203, 17860), (7980, 16121), (8930, 14406), (9212, 13965), (9310, 13818), (9604, 13395), (9870, 13034), (10290, 12502), (10716, 12005), (11172, 11515)]