251776980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{809}}^1$

素因数の和:863

約数の個数: 288

約数和(自身を含む): 990662400

約数和(自身を除く): 738885420

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 19, 20, 21, 26, 28, 30, 35, 36, 38, 39, 42, 45, 52, 57, 60, 63, 65, 70, 76, 78, 84, 90, 91, 95, 105, 114, 117, 126, 130, 133, 140, 156, 171, 180, 182, 190, 195, 210, 228, 234, 247, 252, 260, 266, 273, 285, 315, 342, 364, 380, 390, 399, 420, 455, 468, 494, 532, 546, 570, 585, 630, 665, 684, 741, 780, 798, 809, 819, 855, 910, 988, 1092, 1140, 1170, 1197, 1235, 1260, 1330, 1365, 1482, 1596, 1618, 1638, 1710, 1729, 1820, 1995, 2223, 2340, 2394, 2427, 2470, 2660, 2730, 2964, 3236, 3276, 3420, 3458, 3705, 3990, 4045, 4095, 4446, 4788, 4854, 4940, 5187, 5460, 5663, 5985, 6916, 7281, 7410, 7980, 8090, 8190, 8645, 8892, 9708, 10374, 10517, 11115, 11326, 11970, 12135, 14562, 14820, 15371, 15561, 16180, 16380, 16989, 17290, 20748, 21034, 22230, 22652, 23940, 24270, 25935, 28315, 29124, 30742, 31122, 31551, 33978, 34580, 36405, 42068, 44460, 46113, 48540, 50967, 51870, 52585, 56630, 61484, 62244, 63102, 67956, 72810, 73619, 76855, 77805, 84945, 92226, 94653, 101934, 103740, 105170, 107597, 113260, 126204, 138339, 145620, 147238, 153710, 155610, 157755, 169890, 184452, 189306, 199823, 203868, 210340, 215194, 220857, 230565, 254835, 276678, 294476, 307420, 311220, 315510, 322791, 339780, 368095, 378612, 399646, 430388, 441714, 461130, 473265, 509670, 537985, 553356, 599469, 631020, 645582, 662571, 691695, 736190, 799292, 883428, 922260, 946530, 968373, 999115, 1019340, 1075970, 1104285, 1198938, 1291164, 1325142, 1383390, 1398761, 1472380, 1613955, 1798407, 1893060, 1936746, 1998230, 2151940, 2208570, 2397876, 2650284, 2766780, 2797522, 2997345, 3227910, 3312855, 3596814, 3873492, 3996460, 4196283, 4417140, 4841865, 5595044, 5994690, 6455820, 6625710, 6993805, 7193628, 8392566, 8992035, 9683730, 11989380, 12588849, 13251420, 13987610, 16785132, 17984070, 19367460, 20981415, 25177698, 27975220, 35968140, 41962830, 50355396, 62944245, 83925660, 125888490, 251776980]

約数ペア:

[(1, 251776980), (2, 125888490), (3, 83925660), (4, 62944245), (5, 50355396), (6, 41962830), (7, 35968140), (9, 27975220), (10, 25177698), (12, 20981415), (13, 19367460), (14, 17984070), (15, 16785132), (18, 13987610), (19, 13251420), (20, 12588849), (21, 11989380), (26, 9683730), (28, 8992035), (30, 8392566), (35, 7193628), (36, 6993805), (38, 6625710), (39, 6455820), (42, 5994690), (45, 5595044), (52, 4841865), (57, 4417140), (60, 4196283), (63, 3996460), (65, 3873492), (70, 3596814), (76, 3312855), (78, 3227910), (84, 2997345), (90, 2797522), (91, 2766780), (95, 2650284), (105, 2397876), (114, 2208570), (117, 2151940), (126, 1998230), (130, 1936746), (133, 1893060), (140, 1798407), (156, 1613955), (171, 1472380), (180, 1398761), (182, 1383390), (190, 1325142), (195, 1291164), (210, 1198938), (228, 1104285), (234, 1075970), (247, 1019340), (252, 999115), (260, 968373), (266, 946530), (273, 922260), (285, 883428), (315, 799292), (342, 736190), (364, 691695), (380, 662571), (390, 645582), (399, 631020), (420, 599469), (455, 553356), (468, 537985), (494, 509670), (532, 473265), (546, 461130), (570, 441714), (585, 430388), (630, 399646), (665, 378612), (684, 368095), (741, 339780), (780, 322791), (798, 315510), (809, 311220), (819, 307420), (855, 294476), (910, 276678), (988, 254835), (1092, 230565), (1140, 220857), (1170, 215194), (1197, 210340), (1235, 203868), (1260, 199823), (1330, 189306), (1365, 184452), (1482, 169890), (1596, 157755), (1618, 155610), (1638, 153710), (1710, 147238), (1729, 145620), (1820, 138339), (1995, 126204), (2223, 113260), (2340, 107597), (2394, 105170), (2427, 103740), (2470, 101934), (2660, 94653), (2730, 92226), (2964, 84945), (3236, 77805), (3276, 76855), (3420, 73619), (3458, 72810), (3705, 67956), (3990, 63102), (4045, 62244), (4095, 61484), (4446, 56630), (4788, 52585), (4854, 51870), (4940, 50967), (5187, 48540), (5460, 46113), (5663, 44460), (5985, 42068), (6916, 36405), (7281, 34580), (7410, 33978), (7980, 31551), (8090, 31122), (8190, 30742), (8645, 29124), (8892, 28315), (9708, 25935), (10374, 24270), (10517, 23940), (11115, 22652), (11326, 22230), (11970, 21034), (12135, 20748), (14562, 17290), (14820, 16989), (15371, 16380), (15561, 16180)]