131200020

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{569}}^1$

素因数の和:655

約数の個数: 192

約数和(自身を含む): 474969600

約数和(自身を除く): 343769580

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 61, 63, 70, 84, 90, 105, 108, 122, 126, 135, 140, 180, 183, 189, 210, 244, 252, 270, 305, 315, 366, 378, 420, 427, 540, 549, 569, 610, 630, 732, 756, 854, 915, 945, 1098, 1138, 1220, 1260, 1281, 1647, 1707, 1708, 1830, 1890, 2135, 2196, 2276, 2562, 2745, 2845, 3294, 3414, 3660, 3780, 3843, 3983, 4270, 5121, 5124, 5490, 5690, 6405, 6588, 6828, 7686, 7966, 8235, 8535, 8540, 10242, 10980, 11380, 11529, 11949, 12810, 15363, 15372, 15932, 16470, 17070, 19215, 19915, 20484, 23058, 23898, 25605, 25620, 30726, 32940, 34140, 34709, 35847, 38430, 39830, 46116, 47796, 51210, 57645, 59745, 61452, 69418, 71694, 76815, 76860, 79660, 102420, 104127, 107541, 115290, 119490, 138836, 143388, 153630, 173545, 179235, 208254, 215082, 230580, 238980, 242963, 307260, 312381, 347090, 358470, 416508, 430164, 485926, 520635, 537705, 624762, 694180, 716940, 728889, 937143, 971852, 1041270, 1075410, 1214815, 1249524, 1457778, 1561905, 1874286, 2082540, 2150820, 2186667, 2429630, 2915556, 3123810, 3644445, 3748572, 4373334, 4685715, 4859260, 6247620, 6560001, 7288890, 8746668, 9371430, 10933335, 13120002, 14577780, 18742860, 21866670, 26240004, 32800005, 43733340, 65600010, 131200020]

約数ペア:

[(1, 131200020), (2, 65600010), (3, 43733340), (4, 32800005), (5, 26240004), (6, 21866670), (7, 18742860), (9, 14577780), (10, 13120002), (12, 10933335), (14, 9371430), (15, 8746668), (18, 7288890), (20, 6560001), (21, 6247620), (27, 4859260), (28, 4685715), (30, 4373334), (35, 3748572), (36, 3644445), (42, 3123810), (45, 2915556), (54, 2429630), (60, 2186667), (61, 2150820), (63, 2082540), (70, 1874286), (84, 1561905), (90, 1457778), (105, 1249524), (108, 1214815), (122, 1075410), (126, 1041270), (135, 971852), (140, 937143), (180, 728889), (183, 716940), (189, 694180), (210, 624762), (244, 537705), (252, 520635), (270, 485926), (305, 430164), (315, 416508), (366, 358470), (378, 347090), (420, 312381), (427, 307260), (540, 242963), (549, 238980), (569, 230580), (610, 215082), (630, 208254), (732, 179235), (756, 173545), (854, 153630), (915, 143388), (945, 138836), (1098, 119490), (1138, 115290), (1220, 107541), (1260, 104127), (1281, 102420), (1647, 79660), (1707, 76860), (1708, 76815), (1830, 71694), (1890, 69418), (2135, 61452), (2196, 59745), (2276, 57645), (2562, 51210), (2745, 47796), (2845, 46116), (3294, 39830), (3414, 38430), (3660, 35847), (3780, 34709), (3843, 34140), (3983, 32940), (4270, 30726), (5121, 25620), (5124, 25605), (5490, 23898), (5690, 23058), (6405, 20484), (6588, 19915), (6828, 19215), (7686, 17070), (7966, 16470), (8235, 15932), (8535, 15372), (8540, 15363), (10242, 12810), (10980, 11949), (11380, 11529)]