378339780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{521}}^1$

素因数の和:579

約数の個数: 288

約数和(自身を含む): 1399628160

約数和(自身を除く): 1021288380

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, 455, 490, 494, 521, 532, 546, 570, 588, 637, 665, 735, 741, 780, 798, 910, 931, 980, 988, 1042, 1092, 1140, 1235, 1274, 1330, 1365, 1470, 1482, 1563, 1596, 1729, 1820, 1862, 1911, 1995, 2084, 2470, 2548, 2605, 2660, 2730, 2793, 2940, 2964, 3126, 3185, 3458, 3647, 3705, 3724, 3822, 3990, 4655, 4940, 5187, 5210, 5460, 5586, 6252, 6370, 6773, 6916, 7294, 7410, 7644, 7815, 7980, 8645, 9310, 9555, 9899, 10374, 10420, 10941, 11172, 12103, 12740, 13546, 13965, 14588, 14820, 15630, 17290, 18235, 18620, 19110, 19798, 20319, 20748, 21882, 24206, 25529, 25935, 27092, 27930, 29697, 31260, 33865, 34580, 36309, 36470, 38220, 39596, 40638, 43764, 47411, 48412, 49495, 51058, 51870, 54705, 55860, 59394, 60515, 67730, 69293, 72618, 72940, 76587, 81276, 94822, 98990, 101595, 102116, 103740, 109410, 118788, 121030, 127645, 128687, 135460, 138586, 142233, 145236, 148485, 153174, 181545, 189644, 197980, 203190, 207879, 218820, 237055, 242060, 255290, 257374, 277172, 284466, 296970, 306348, 331877, 346465, 363090, 382935, 386061, 406380, 415758, 474110, 485051, 510580, 514748, 568932, 593940, 643435, 663754, 692930, 711165, 726180, 765870, 772122, 831516, 900809, 948220, 970102, 995631, 1039395, 1286870, 1327508, 1385860, 1422330, 1455153, 1531740, 1544244, 1659385, 1801618, 1930305, 1940204, 1991262, 2078790, 2425255, 2573740, 2702427, 2844660, 2910306, 3318770, 3603236, 3860610, 3982524, 4157580, 4504045, 4850510, 4978155, 5404854, 5820612, 6305663, 6637540, 7275765, 7721220, 9008090, 9701020, 9956310, 10809708, 12611326, 13512135, 14551530, 18016180, 18916989, 19912620, 25222652, 27024270, 29103060, 31528315, 37833978, 54048540, 63056630, 75667956, 94584945, 126113260, 189169890, 378339780]

約数ペア:

[(1, 378339780), (2, 189169890), (3, 126113260), (4, 94584945), (5, 75667956), (6, 63056630), (7, 54048540), (10, 37833978), (12, 31528315), (13, 29103060), (14, 27024270), (15, 25222652), (19, 19912620), (20, 18916989), (21, 18016180), (26, 14551530), (28, 13512135), (30, 12611326), (35, 10809708), (38, 9956310), (39, 9701020), (42, 9008090), (49, 7721220), (52, 7275765), (57, 6637540), (60, 6305663), (65, 5820612), (70, 5404854), (76, 4978155), (78, 4850510), (84, 4504045), (91, 4157580), (95, 3982524), (98, 3860610), (105, 3603236), (114, 3318770), (130, 2910306), (133, 2844660), (140, 2702427), (147, 2573740), (156, 2425255), (182, 2078790), (190, 1991262), (195, 1940204), (196, 1930305), (210, 1801618), (228, 1659385), (245, 1544244), (247, 1531740), (260, 1455153), (266, 1422330), (273, 1385860), (285, 1327508), (294, 1286870), (364, 1039395), (380, 995631), (390, 970102), (399, 948220), (420, 900809), (455, 831516), (490, 772122), (494, 765870), (521, 726180), (532, 711165), (546, 692930), (570, 663754), (588, 643435), (637, 593940), (665, 568932), (735, 514748), (741, 510580), (780, 485051), (798, 474110), (910, 415758), (931, 406380), (980, 386061), (988, 382935), (1042, 363090), (1092, 346465), (1140, 331877), (1235, 306348), (1274, 296970), (1330, 284466), (1365, 277172), (1470, 257374), (1482, 255290), (1563, 242060), (1596, 237055), (1729, 218820), (1820, 207879), (1862, 203190), (1911, 197980), (1995, 189644), (2084, 181545), (2470, 153174), (2548, 148485), (2605, 145236), (2660, 142233), (2730, 138586), (2793, 135460), (2940, 128687), (2964, 127645), (3126, 121030), (3185, 118788), (3458, 109410), (3647, 103740), (3705, 102116), (3724, 101595), (3822, 98990), (3990, 94822), (4655, 81276), (4940, 76587), (5187, 72940), (5210, 72618), (5460, 69293), (5586, 67730), (6252, 60515), (6370, 59394), (6773, 55860), (6916, 54705), (7294, 51870), (7410, 51058), (7644, 49495), (7815, 48412), (7980, 47411), (8645, 43764), (9310, 40638), (9555, 39596), (9899, 38220), (10374, 36470), (10420, 36309), (10941, 34580), (11172, 33865), (12103, 31260), (12740, 29697), (13546, 27930), (13965, 27092), (14588, 25935), (14820, 25529), (15630, 24206), (17290, 21882), (18235, 20748), (18620, 20319), (19110, 19798)]