15910020

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1$

素因数の和:112

約数の個数: 240

約数和(自身を含む): 60496128

約数和(自身を除く): 44586108

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 23, 27, 28, 30, 35, 36, 42, 45, 46, 54, 60, 61, 63, 69, 70, 81, 84, 90, 92, 105, 108, 115, 122, 126, 135, 138, 140, 161, 162, 180, 183, 189, 207, 210, 230, 244, 252, 270, 276, 305, 315, 322, 324, 345, 366, 378, 405, 414, 420, 427, 460, 483, 540, 549, 567, 610, 621, 630, 644, 690, 732, 756, 805, 810, 828, 854, 915, 945, 966, 1035, 1098, 1134, 1220, 1242, 1260, 1281, 1380, 1403, 1449, 1610, 1620, 1647, 1708, 1830, 1863, 1890, 1932, 2070, 2135, 2196, 2268, 2415, 2484, 2562, 2745, 2806, 2835, 2898, 3105, 3220, 3294, 3660, 3726, 3780, 3843, 4140, 4209, 4270, 4347, 4830, 4941, 5124, 5490, 5612, 5670, 5796, 6210, 6405, 6588, 7015, 7245, 7452, 7686, 8235, 8418, 8540, 8694, 9315, 9660, 9821, 9882, 10980, 11340, 11529, 12420, 12627, 12810, 13041, 14030, 14490, 15372, 16470, 16836, 17388, 18630, 19215, 19642, 19764, 21045, 21735, 23058, 24705, 25254, 25620, 26082, 28060, 28980, 29463, 32940, 34587, 37260, 37881, 38430, 39284, 42090, 43470, 46116, 49105, 49410, 50508, 52164, 57645, 58926, 63135, 65205, 69174, 75762, 76860, 84180, 86940, 88389, 98210, 98820, 113643, 115290, 117852, 126270, 130410, 138348, 147315, 151524, 172935, 176778, 189405, 196420, 227286, 230580, 252540, 260820, 265167, 294630, 345870, 353556, 378810, 441945, 454572, 530334, 568215, 589260, 691740, 757620, 795501, 883890, 1060668, 1136430, 1325835, 1591002, 1767780, 2272860, 2651670, 3182004, 3977505, 5303340, 7955010, 15910020]

約数ペア:

[(1, 15910020), (2, 7955010), (3, 5303340), (4, 3977505), (5, 3182004), (6, 2651670), (7, 2272860), (9, 1767780), (10, 1591002), (12, 1325835), (14, 1136430), (15, 1060668), (18, 883890), (20, 795501), (21, 757620), (23, 691740), (27, 589260), (28, 568215), (30, 530334), (35, 454572), (36, 441945), (42, 378810), (45, 353556), (46, 345870), (54, 294630), (60, 265167), (61, 260820), (63, 252540), (69, 230580), (70, 227286), (81, 196420), (84, 189405), (90, 176778), (92, 172935), (105, 151524), (108, 147315), (115, 138348), (122, 130410), (126, 126270), (135, 117852), (138, 115290), (140, 113643), (161, 98820), (162, 98210), (180, 88389), (183, 86940), (189, 84180), (207, 76860), (210, 75762), (230, 69174), (244, 65205), (252, 63135), (270, 58926), (276, 57645), (305, 52164), (315, 50508), (322, 49410), (324, 49105), (345, 46116), (366, 43470), (378, 42090), (405, 39284), (414, 38430), (420, 37881), (427, 37260), (460, 34587), (483, 32940), (540, 29463), (549, 28980), (567, 28060), (610, 26082), (621, 25620), (630, 25254), (644, 24705), (690, 23058), (732, 21735), (756, 21045), (805, 19764), (810, 19642), (828, 19215), (854, 18630), (915, 17388), (945, 16836), (966, 16470), (1035, 15372), (1098, 14490), (1134, 14030), (1220, 13041), (1242, 12810), (1260, 12627), (1281, 12420), (1380, 11529), (1403, 11340), (1449, 10980), (1610, 9882), (1620, 9821), (1647, 9660), (1708, 9315), (1830, 8694), (1863, 8540), (1890, 8418), (1932, 8235), (2070, 7686), (2135, 7452), (2196, 7245), (2268, 7015), (2415, 6588), (2484, 6405), (2562, 6210), (2745, 5796), (2806, 5670), (2835, 5612), (2898, 5490), (3105, 5124), (3220, 4941), (3294, 4830), (3660, 4347), (3726, 4270), (3780, 4209), (3843, 4140)]