821340660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{317}}^1$

素因数の和:566

約数の個数: 192

約数和(自身を含む): 2735308800

約数和(自身を除く): 1913968140

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 60, 62, 70, 84, 93, 105, 124, 140, 155, 186, 199, 210, 217, 310, 317, 372, 398, 420, 434, 465, 597, 620, 634, 651, 796, 868, 930, 951, 995, 1085, 1194, 1268, 1302, 1393, 1585, 1860, 1902, 1990, 2170, 2219, 2388, 2604, 2786, 2985, 3170, 3255, 3804, 3980, 4179, 4340, 4438, 4755, 5572, 5970, 6169, 6340, 6510, 6657, 6965, 8358, 8876, 9510, 9827, 11095, 11940, 12338, 13020, 13314, 13930, 16716, 18507, 19020, 19654, 20895, 22190, 24676, 26628, 27860, 29481, 30845, 33285, 37014, 39308, 41790, 43183, 44380, 49135, 58962, 61690, 63083, 66570, 68789, 74028, 83580, 86366, 92535, 98270, 117924, 123380, 126166, 129549, 133140, 137578, 147405, 172732, 185070, 189249, 196540, 206367, 215915, 252332, 259098, 275156, 294810, 315415, 343945, 370140, 378498, 412734, 431830, 441581, 518196, 589620, 630830, 647745, 687890, 756996, 825468, 863660, 883162, 946245, 1031835, 1261660, 1295490, 1324743, 1375780, 1766324, 1892490, 1955573, 2063670, 2207905, 2590980, 2649486, 3784980, 3911146, 4127340, 4415810, 5298972, 5866719, 6623715, 7822292, 8831620, 9777865, 11733438, 13247430, 13689011, 19555730, 23466876, 26494860, 27378022, 29333595, 39111460, 41067033, 54756044, 58667190, 68445055, 82134066, 117334380, 136890110, 164268132, 205335165, 273780220, 410670330, 821340660]

約数ペア:

[(1, 821340660), (2, 410670330), (3, 273780220), (4, 205335165), (5, 164268132), (6, 136890110), (7, 117334380), (10, 82134066), (12, 68445055), (14, 58667190), (15, 54756044), (20, 41067033), (21, 39111460), (28, 29333595), (30, 27378022), (31, 26494860), (35, 23466876), (42, 19555730), (60, 13689011), (62, 13247430), (70, 11733438), (84, 9777865), (93, 8831620), (105, 7822292), (124, 6623715), (140, 5866719), (155, 5298972), (186, 4415810), (199, 4127340), (210, 3911146), (217, 3784980), (310, 2649486), (317, 2590980), (372, 2207905), (398, 2063670), (420, 1955573), (434, 1892490), (465, 1766324), (597, 1375780), (620, 1324743), (634, 1295490), (651, 1261660), (796, 1031835), (868, 946245), (930, 883162), (951, 863660), (995, 825468), (1085, 756996), (1194, 687890), (1268, 647745), (1302, 630830), (1393, 589620), (1585, 518196), (1860, 441581), (1902, 431830), (1990, 412734), (2170, 378498), (2219, 370140), (2388, 343945), (2604, 315415), (2786, 294810), (2985, 275156), (3170, 259098), (3255, 252332), (3804, 215915), (3980, 206367), (4179, 196540), (4340, 189249), (4438, 185070), (4755, 172732), (5572, 147405), (5970, 137578), (6169, 133140), (6340, 129549), (6510, 126166), (6657, 123380), (6965, 117924), (8358, 98270), (8876, 92535), (9510, 86366), (9827, 83580), (11095, 74028), (11940, 68789), (12338, 66570), (13020, 63083), (13314, 61690), (13930, 58962), (16716, 49135), (18507, 44380), (19020, 43183), (19654, 41790), (20895, 39308), (22190, 37014), (24676, 33285), (26628, 30845), (27860, 29481)]