71528730

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1$

素因数の和:253

約数の個数: 192

約数和(自身を含む): 227525760

約数和(自身を除く): 155997030

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 19, 21, 26, 30, 35, 38, 39, 42, 49, 57, 65, 70, 78, 91, 95, 98, 105, 114, 130, 133, 147, 182, 190, 195, 197, 210, 245, 247, 266, 273, 285, 294, 390, 394, 399, 455, 490, 494, 546, 570, 591, 637, 665, 735, 741, 798, 910, 931, 985, 1182, 1235, 1274, 1330, 1365, 1379, 1470, 1482, 1729, 1862, 1911, 1970, 1995, 2470, 2561, 2730, 2758, 2793, 2955, 3185, 3458, 3705, 3743, 3822, 3990, 4137, 4655, 5122, 5187, 5586, 5910, 6370, 6895, 7410, 7486, 7683, 8274, 8645, 9310, 9555, 9653, 10374, 11229, 12103, 12805, 13790, 13965, 15366, 17290, 17927, 18715, 19110, 19306, 20685, 22458, 24206, 25610, 25935, 26201, 27930, 28959, 35854, 36309, 37430, 38415, 41370, 48265, 48659, 51870, 52402, 53781, 56145, 57918, 60515, 72618, 76830, 78603, 89635, 96530, 97318, 107562, 112290, 121030, 125489, 131005, 144795, 145977, 157206, 179270, 181545, 183407, 243295, 250978, 262010, 268905, 289590, 291954, 340613, 363090, 366814, 376467, 393015, 486590, 537810, 550221, 627445, 681226, 729885, 752934, 786030, 917035, 1021839, 1100442, 1254890, 1459770, 1703065, 1834070, 1882335, 2043678, 2384291, 2751105, 3406130, 3764670, 4768582, 5109195, 5502210, 7152873, 10218390, 11921455, 14305746, 23842910, 35764365, 71528730]

約数ペア:

[(1, 71528730), (2, 35764365), (3, 23842910), (5, 14305746), (6, 11921455), (7, 10218390), (10, 7152873), (13, 5502210), (14, 5109195), (15, 4768582), (19, 3764670), (21, 3406130), (26, 2751105), (30, 2384291), (35, 2043678), (38, 1882335), (39, 1834070), (42, 1703065), (49, 1459770), (57, 1254890), (65, 1100442), (70, 1021839), (78, 917035), (91, 786030), (95, 752934), (98, 729885), (105, 681226), (114, 627445), (130, 550221), (133, 537810), (147, 486590), (182, 393015), (190, 376467), (195, 366814), (197, 363090), (210, 340613), (245, 291954), (247, 289590), (266, 268905), (273, 262010), (285, 250978), (294, 243295), (390, 183407), (394, 181545), (399, 179270), (455, 157206), (490, 145977), (494, 144795), (546, 131005), (570, 125489), (591, 121030), (637, 112290), (665, 107562), (735, 97318), (741, 96530), (798, 89635), (910, 78603), (931, 76830), (985, 72618), (1182, 60515), (1235, 57918), (1274, 56145), (1330, 53781), (1365, 52402), (1379, 51870), (1470, 48659), (1482, 48265), (1729, 41370), (1862, 38415), (1911, 37430), (1970, 36309), (1995, 35854), (2470, 28959), (2561, 27930), (2730, 26201), (2758, 25935), (2793, 25610), (2955, 24206), (3185, 22458), (3458, 20685), (3705, 19306), (3743, 19110), (3822, 18715), (3990, 17927), (4137, 17290), (4655, 15366), (5122, 13965), (5187, 13790), (5586, 12805), (5910, 12103), (6370, 11229), (6895, 10374), (7410, 9653), (7486, 9555), (7683, 9310), (8274, 8645)]