80257140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{757}}^1$

素因数の和:822

約数の個数: 144

約数和(自身を含む): 264875520

約数和(自身を除く): 184618380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 31, 36, 38, 45, 57, 60, 62, 76, 90, 93, 95, 114, 124, 155, 171, 180, 186, 190, 228, 279, 285, 310, 342, 372, 380, 465, 558, 570, 589, 620, 684, 757, 855, 930, 1116, 1140, 1178, 1395, 1514, 1710, 1767, 1860, 2271, 2356, 2790, 2945, 3028, 3420, 3534, 3785, 4542, 5301, 5580, 5890, 6813, 7068, 7570, 8835, 9084, 10602, 11355, 11780, 13626, 14383, 15140, 17670, 21204, 22710, 23467, 26505, 27252, 28766, 34065, 35340, 43149, 45420, 46934, 53010, 57532, 68130, 70401, 71915, 86298, 93868, 106020, 117335, 129447, 136260, 140802, 143830, 172596, 211203, 215745, 234670, 258894, 281604, 287660, 352005, 422406, 431490, 445873, 469340, 517788, 647235, 704010, 844812, 862980, 891746, 1056015, 1294470, 1337619, 1408020, 1783492, 2112030, 2229365, 2588940, 2675238, 4012857, 4224060, 4458730, 5350476, 6688095, 8025714, 8917460, 13376190, 16051428, 20064285, 26752380, 40128570, 80257140]

約数ペア:

[(1, 80257140), (2, 40128570), (3, 26752380), (4, 20064285), (5, 16051428), (6, 13376190), (9, 8917460), (10, 8025714), (12, 6688095), (15, 5350476), (18, 4458730), (19, 4224060), (20, 4012857), (30, 2675238), (31, 2588940), (36, 2229365), (38, 2112030), (45, 1783492), (57, 1408020), (60, 1337619), (62, 1294470), (76, 1056015), (90, 891746), (93, 862980), (95, 844812), (114, 704010), (124, 647235), (155, 517788), (171, 469340), (180, 445873), (186, 431490), (190, 422406), (228, 352005), (279, 287660), (285, 281604), (310, 258894), (342, 234670), (372, 215745), (380, 211203), (465, 172596), (558, 143830), (570, 140802), (589, 136260), (620, 129447), (684, 117335), (757, 106020), (855, 93868), (930, 86298), (1116, 71915), (1140, 70401), (1178, 68130), (1395, 57532), (1514, 53010), (1710, 46934), (1767, 45420), (1860, 43149), (2271, 35340), (2356, 34065), (2790, 28766), (2945, 27252), (3028, 26505), (3420, 23467), (3534, 22710), (3785, 21204), (4542, 17670), (5301, 15140), (5580, 14383), (5890, 13626), (6813, 11780), (7068, 11355), (7570, 10602), (8835, 9084)]