80704260

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{379}}^1$

素因数の和:427

約数の個数: 216

約数和(自身を含む): 303750720

約数和(自身を除く): 223046460

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 39, 42, 45, 52, 60, 63, 65, 70, 78, 84, 90, 91, 105, 117, 126, 130, 140, 156, 169, 180, 182, 195, 210, 234, 252, 260, 273, 315, 338, 364, 379, 390, 420, 455, 468, 507, 546, 585, 630, 676, 758, 780, 819, 845, 910, 1014, 1092, 1137, 1170, 1183, 1260, 1365, 1516, 1521, 1638, 1690, 1820, 1895, 2028, 2274, 2340, 2366, 2535, 2653, 2730, 3042, 3276, 3380, 3411, 3549, 3790, 4095, 4548, 4732, 4927, 5070, 5306, 5460, 5685, 5915, 6084, 6822, 7098, 7580, 7605, 7959, 8190, 9854, 10140, 10612, 10647, 11370, 11830, 13265, 13644, 14196, 14781, 15210, 15918, 16380, 17055, 17745, 19708, 21294, 22740, 23660, 23877, 24635, 26530, 29562, 30420, 31836, 34110, 34489, 35490, 39795, 42588, 44343, 47754, 49270, 53060, 53235, 59124, 64051, 68220, 68978, 70980, 73905, 79590, 88686, 95508, 98540, 103467, 106470, 119385, 128102, 137956, 147810, 159180, 172445, 177372, 192153, 206934, 212940, 221715, 238770, 256204, 295620, 310401, 320255, 344890, 384306, 413868, 443430, 448357, 477540, 517335, 576459, 620802, 640510, 689780, 768612, 886860, 896714, 960765, 1034670, 1152918, 1241604, 1281020, 1345071, 1552005, 1793428, 1921530, 2069340, 2241785, 2305836, 2690142, 2882295, 3104010, 3843060, 4035213, 4483570, 5380284, 5764590, 6208020, 6725355, 8070426, 8967140, 11529180, 13450710, 16140852, 20176065, 26901420, 40352130, 80704260]

約数ペア:

[(1, 80704260), (2, 40352130), (3, 26901420), (4, 20176065), (5, 16140852), (6, 13450710), (7, 11529180), (9, 8967140), (10, 8070426), (12, 6725355), (13, 6208020), (14, 5764590), (15, 5380284), (18, 4483570), (20, 4035213), (21, 3843060), (26, 3104010), (28, 2882295), (30, 2690142), (35, 2305836), (36, 2241785), (39, 2069340), (42, 1921530), (45, 1793428), (52, 1552005), (60, 1345071), (63, 1281020), (65, 1241604), (70, 1152918), (78, 1034670), (84, 960765), (90, 896714), (91, 886860), (105, 768612), (117, 689780), (126, 640510), (130, 620802), (140, 576459), (156, 517335), (169, 477540), (180, 448357), (182, 443430), (195, 413868), (210, 384306), (234, 344890), (252, 320255), (260, 310401), (273, 295620), (315, 256204), (338, 238770), (364, 221715), (379, 212940), (390, 206934), (420, 192153), (455, 177372), (468, 172445), (507, 159180), (546, 147810), (585, 137956), (630, 128102), (676, 119385), (758, 106470), (780, 103467), (819, 98540), (845, 95508), (910, 88686), (1014, 79590), (1092, 73905), (1137, 70980), (1170, 68978), (1183, 68220), (1260, 64051), (1365, 59124), (1516, 53235), (1521, 53060), (1638, 49270), (1690, 47754), (1820, 44343), (1895, 42588), (2028, 39795), (2274, 35490), (2340, 34489), (2366, 34110), (2535, 31836), (2653, 30420), (2730, 29562), (3042, 26530), (3276, 24635), (3380, 23877), (3411, 23660), (3549, 22740), (3790, 21294), (4095, 19708), (4548, 17745), (4732, 17055), (4927, 16380), (5070, 15918), (5306, 15210), (5460, 14781), (5685, 14196), (5915, 13644), (6084, 13265), (6822, 11830), (7098, 11370), (7580, 10647), (7605, 10612), (7959, 10140), (8190, 9854)]