251673240

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1213}}^1$

素因数の和:1266

約数の個数: 256

約数和(自身を含む): 978969600

約数和(自身を除く): 727296360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 19, 20, 21, 24, 26, 28, 30, 35, 38, 39, 40, 42, 52, 56, 57, 60, 65, 70, 76, 78, 84, 91, 95, 104, 105, 114, 120, 130, 133, 140, 152, 156, 168, 182, 190, 195, 210, 228, 247, 260, 266, 273, 280, 285, 312, 364, 380, 390, 399, 420, 455, 456, 494, 520, 532, 546, 570, 665, 728, 741, 760, 780, 798, 840, 910, 988, 1064, 1092, 1140, 1213, 1235, 1330, 1365, 1482, 1560, 1596, 1729, 1820, 1976, 1995, 2184, 2280, 2426, 2470, 2660, 2730, 2964, 3192, 3458, 3639, 3640, 3705, 3990, 4852, 4940, 5187, 5320, 5460, 5928, 6065, 6916, 7278, 7410, 7980, 8491, 8645, 9704, 9880, 10374, 10920, 12130, 13832, 14556, 14820, 15769, 15960, 16982, 17290, 18195, 20748, 23047, 24260, 25473, 25935, 29112, 29640, 31538, 33964, 34580, 36390, 41496, 42455, 46094, 47307, 48520, 50946, 51870, 63076, 67928, 69141, 69160, 72780, 78845, 84910, 92188, 94614, 101892, 103740, 110383, 115235, 126152, 127365, 138282, 145560, 157690, 161329, 169820, 184376, 189228, 203784, 207480, 220766, 230470, 236535, 254730, 276564, 299611, 315380, 322658, 331149, 339640, 345705, 378456, 441532, 460940, 473070, 483987, 509460, 551915, 553128, 599222, 630760, 645316, 662298, 691410, 806645, 883064, 898833, 921880, 946140, 967974, 1018920, 1103830, 1198444, 1290632, 1324596, 1382820, 1498055, 1613290, 1655745, 1797666, 1892280, 1935948, 2097277, 2207660, 2396888, 2419935, 2649192, 2765640, 2996110, 3226580, 3311490, 3595332, 3871896, 4194554, 4415320, 4494165, 4839870, 5992220, 6291831, 6453160, 6622980, 7190664, 8389108, 8988330, 9679740, 10486385, 11984440, 12583662, 13245960, 16778216, 17976660, 19359480, 20972770, 25167324, 31459155, 35953320, 41945540, 50334648, 62918310, 83891080, 125836620, 251673240]

約数ペア:

[(1, 251673240), (2, 125836620), (3, 83891080), (4, 62918310), (5, 50334648), (6, 41945540), (7, 35953320), (8, 31459155), (10, 25167324), (12, 20972770), (13, 19359480), (14, 17976660), (15, 16778216), (19, 13245960), (20, 12583662), (21, 11984440), (24, 10486385), (26, 9679740), (28, 8988330), (30, 8389108), (35, 7190664), (38, 6622980), (39, 6453160), (40, 6291831), (42, 5992220), (52, 4839870), (56, 4494165), (57, 4415320), (60, 4194554), (65, 3871896), (70, 3595332), (76, 3311490), (78, 3226580), (84, 2996110), (91, 2765640), (95, 2649192), (104, 2419935), (105, 2396888), (114, 2207660), (120, 2097277), (130, 1935948), (133, 1892280), (140, 1797666), (152, 1655745), (156, 1613290), (168, 1498055), (182, 1382820), (190, 1324596), (195, 1290632), (210, 1198444), (228, 1103830), (247, 1018920), (260, 967974), (266, 946140), (273, 921880), (280, 898833), (285, 883064), (312, 806645), (364, 691410), (380, 662298), (390, 645316), (399, 630760), (420, 599222), (455, 553128), (456, 551915), (494, 509460), (520, 483987), (532, 473070), (546, 460940), (570, 441532), (665, 378456), (728, 345705), (741, 339640), (760, 331149), (780, 322658), (798, 315380), (840, 299611), (910, 276564), (988, 254730), (1064, 236535), (1092, 230470), (1140, 220766), (1213, 207480), (1235, 203784), (1330, 189228), (1365, 184376), (1482, 169820), (1560, 161329), (1596, 157690), (1729, 145560), (1820, 138282), (1976, 127365), (1995, 126152), (2184, 115235), (2280, 110383), (2426, 103740), (2470, 101892), (2660, 94614), (2730, 92188), (2964, 84910), (3192, 78845), (3458, 72780), (3639, 69160), (3640, 69141), (3705, 67928), (3990, 63076), (4852, 51870), (4940, 50946), (5187, 48520), (5320, 47307), (5460, 46094), (5928, 42455), (6065, 41496), (6916, 36390), (7278, 34580), (7410, 33964), (7980, 31538), (8491, 29640), (8645, 29112), (9704, 25935), (9880, 25473), (10374, 24260), (10920, 23047), (12130, 20748), (13832, 18195), (14556, 17290), (14820, 16982), (15769, 15960)]