321697740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{443}}^1$

素因数の和:501

約数の個数: 288

約数和(自身を含む): 1190488320

約数和(自身を除く): 868790580

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 19, 20, 21, 26, 28, 30, 35, 38, 39, 42, 49, 52, 57, 60, 65, 70, 76, 78, 84, 91, 95, 98, 105, 114, 130, 133, 140, 147, 156, 182, 190, 195, 196, 210, 228, 245, 247, 260, 266, 273, 285, 294, 364, 380, 390, 399, 420, 443, 455, 490, 494, 532, 546, 570, 588, 637, 665, 735, 741, 780, 798, 886, 910, 931, 980, 988, 1092, 1140, 1235, 1274, 1329, 1330, 1365, 1470, 1482, 1596, 1729, 1772, 1820, 1862, 1911, 1995, 2215, 2470, 2548, 2658, 2660, 2730, 2793, 2940, 2964, 3101, 3185, 3458, 3705, 3724, 3822, 3990, 4430, 4655, 4940, 5187, 5316, 5460, 5586, 5759, 6202, 6370, 6645, 6916, 7410, 7644, 7980, 8417, 8645, 8860, 9303, 9310, 9555, 10374, 11172, 11518, 12103, 12404, 12740, 13290, 13965, 14820, 15505, 16834, 17277, 17290, 18606, 18620, 19110, 20748, 21707, 23036, 24206, 25251, 25935, 26580, 27930, 28795, 31010, 33668, 34554, 34580, 36309, 37212, 38220, 40313, 42085, 43414, 46515, 48412, 50502, 51870, 55860, 57590, 58919, 60515, 62020, 65121, 69108, 72618, 80626, 84170, 86385, 86828, 93030, 101004, 103740, 108535, 109421, 115180, 117838, 120939, 121030, 126255, 130242, 145236, 161252, 168340, 172770, 176757, 181545, 186060, 201565, 217070, 218842, 235676, 241878, 242060, 252510, 260484, 282191, 294595, 325605, 328263, 345540, 353514, 363090, 403130, 412433, 434140, 437684, 483756, 505020, 547105, 564382, 589190, 604695, 651210, 656526, 707028, 726180, 765947, 806260, 824866, 846573, 883785, 1094210, 1128764, 1178380, 1209390, 1237299, 1302420, 1313052, 1410955, 1531894, 1641315, 1649732, 1693146, 1767570, 2062165, 2188420, 2297841, 2418780, 2474598, 2821910, 3063788, 3282630, 3386292, 3535140, 3829735, 4124330, 4232865, 4595682, 4949196, 5361629, 5643820, 6186495, 6565260, 7659470, 8248660, 8465730, 9191364, 10723258, 11489205, 12372990, 15318940, 16084887, 16931460, 21446516, 22978410, 24745980, 26808145, 32169774, 45956820, 53616290, 64339548, 80424435, 107232580, 160848870, 321697740]

約数ペア:

[(1, 321697740), (2, 160848870), (3, 107232580), (4, 80424435), (5, 64339548), (6, 53616290), (7, 45956820), (10, 32169774), (12, 26808145), (13, 24745980), (14, 22978410), (15, 21446516), (19, 16931460), (20, 16084887), (21, 15318940), (26, 12372990), (28, 11489205), (30, 10723258), (35, 9191364), (38, 8465730), (39, 8248660), (42, 7659470), (49, 6565260), (52, 6186495), (57, 5643820), (60, 5361629), (65, 4949196), (70, 4595682), (76, 4232865), (78, 4124330), (84, 3829735), (91, 3535140), (95, 3386292), (98, 3282630), (105, 3063788), (114, 2821910), (130, 2474598), (133, 2418780), (140, 2297841), (147, 2188420), (156, 2062165), (182, 1767570), (190, 1693146), (195, 1649732), (196, 1641315), (210, 1531894), (228, 1410955), (245, 1313052), (247, 1302420), (260, 1237299), (266, 1209390), (273, 1178380), (285, 1128764), (294, 1094210), (364, 883785), (380, 846573), (390, 824866), (399, 806260), (420, 765947), (443, 726180), (455, 707028), (490, 656526), (494, 651210), (532, 604695), (546, 589190), (570, 564382), (588, 547105), (637, 505020), (665, 483756), (735, 437684), (741, 434140), (780, 412433), (798, 403130), (886, 363090), (910, 353514), (931, 345540), (980, 328263), (988, 325605), (1092, 294595), (1140, 282191), (1235, 260484), (1274, 252510), (1329, 242060), (1330, 241878), (1365, 235676), (1470, 218842), (1482, 217070), (1596, 201565), (1729, 186060), (1772, 181545), (1820, 176757), (1862, 172770), (1911, 168340), (1995, 161252), (2215, 145236), (2470, 130242), (2548, 126255), (2658, 121030), (2660, 120939), (2730, 117838), (2793, 115180), (2940, 109421), (2964, 108535), (3101, 103740), (3185, 101004), (3458, 93030), (3705, 86828), (3724, 86385), (3822, 84170), (3990, 80626), (4430, 72618), (4655, 69108), (4940, 65121), (5187, 62020), (5316, 60515), (5460, 58919), (5586, 57590), (5759, 55860), (6202, 51870), (6370, 50502), (6645, 48412), (6916, 46515), (7410, 43414), (7644, 42085), (7980, 40313), (8417, 38220), (8645, 37212), (8860, 36309), (9303, 34580), (9310, 34554), (9555, 33668), (10374, 31010), (11172, 28795), (11518, 27930), (12103, 26580), (12404, 25935), (12740, 25251), (13290, 24206), (13965, 23036), (14820, 21707), (15505, 20748), (16834, 19110), (17277, 18620), (17290, 18606)]