251932590

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1619}}^1$

素因数の和:1671

約数の個数: 192

約数和(自身を含む): 849139200

約数和(自身を除く): 597206610

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 13, 14, 15, 18, 19, 21, 26, 30, 35, 38, 39, 42, 45, 57, 63, 65, 70, 78, 90, 91, 95, 105, 114, 117, 126, 130, 133, 171, 182, 190, 195, 210, 234, 247, 266, 273, 285, 315, 342, 390, 399, 455, 494, 546, 570, 585, 630, 665, 741, 798, 819, 855, 910, 1170, 1197, 1235, 1330, 1365, 1482, 1619, 1638, 1710, 1729, 1995, 2223, 2394, 2470, 2730, 3238, 3458, 3705, 3990, 4095, 4446, 4857, 5187, 5985, 7410, 8095, 8190, 8645, 9714, 10374, 11115, 11333, 11970, 14571, 15561, 16190, 17290, 21047, 22230, 22666, 24285, 25935, 29142, 30761, 31122, 33999, 42094, 48570, 51870, 56665, 61522, 63141, 67998, 72855, 77805, 92283, 101997, 105235, 113330, 126282, 145710, 147329, 153805, 155610, 169995, 184566, 189423, 203994, 210470, 215327, 276849, 294658, 307610, 315705, 339990, 378846, 399893, 430654, 441987, 461415, 509985, 553698, 631410, 645981, 736645, 799786, 883974, 922830, 947115, 1019970, 1076635, 1199679, 1291962, 1325961, 1384245, 1473290, 1894230, 1937943, 1999465, 2153270, 2209935, 2399358, 2651922, 2768490, 2799251, 3229905, 3599037, 3875886, 3998930, 4419870, 5598502, 5998395, 6459810, 6629805, 7198074, 8397753, 9689715, 11996790, 13259610, 13996255, 16795506, 17995185, 19379430, 25193259, 27992510, 35990370, 41988765, 50386518, 83977530, 125966295, 251932590]

約数ペア:

[(1, 251932590), (2, 125966295), (3, 83977530), (5, 50386518), (6, 41988765), (7, 35990370), (9, 27992510), (10, 25193259), (13, 19379430), (14, 17995185), (15, 16795506), (18, 13996255), (19, 13259610), (21, 11996790), (26, 9689715), (30, 8397753), (35, 7198074), (38, 6629805), (39, 6459810), (42, 5998395), (45, 5598502), (57, 4419870), (63, 3998930), (65, 3875886), (70, 3599037), (78, 3229905), (90, 2799251), (91, 2768490), (95, 2651922), (105, 2399358), (114, 2209935), (117, 2153270), (126, 1999465), (130, 1937943), (133, 1894230), (171, 1473290), (182, 1384245), (190, 1325961), (195, 1291962), (210, 1199679), (234, 1076635), (247, 1019970), (266, 947115), (273, 922830), (285, 883974), (315, 799786), (342, 736645), (390, 645981), (399, 631410), (455, 553698), (494, 509985), (546, 461415), (570, 441987), (585, 430654), (630, 399893), (665, 378846), (741, 339990), (798, 315705), (819, 307610), (855, 294658), (910, 276849), (1170, 215327), (1197, 210470), (1235, 203994), (1330, 189423), (1365, 184566), (1482, 169995), (1619, 155610), (1638, 153805), (1710, 147329), (1729, 145710), (1995, 126282), (2223, 113330), (2394, 105235), (2470, 101997), (2730, 92283), (3238, 77805), (3458, 72855), (3705, 67998), (3990, 63141), (4095, 61522), (4446, 56665), (4857, 51870), (5187, 48570), (5985, 42094), (7410, 33999), (8095, 31122), (8190, 30761), (8645, 29142), (9714, 25935), (10374, 24285), (11115, 22666), (11333, 22230), (11970, 21047), (14571, 17290), (15561, 16190)]