257779080

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{223}}^1$

素因数の和:285

約数の個数: 288

約数和(自身を含む): 959212800

約数和(自身を除く): 701433720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 19, 20, 24, 26, 30, 36, 38, 39, 40, 45, 52, 57, 60, 65, 72, 76, 78, 90, 95, 104, 114, 117, 120, 130, 152, 156, 169, 171, 180, 190, 195, 223, 228, 234, 247, 260, 285, 312, 338, 342, 360, 380, 390, 446, 456, 468, 494, 507, 520, 570, 585, 669, 676, 684, 741, 760, 780, 845, 855, 892, 936, 988, 1014, 1115, 1140, 1170, 1235, 1338, 1352, 1368, 1482, 1521, 1560, 1690, 1710, 1784, 1976, 2007, 2028, 2223, 2230, 2280, 2340, 2470, 2535, 2676, 2899, 2964, 3042, 3211, 3345, 3380, 3420, 3705, 4014, 4056, 4237, 4446, 4460, 4680, 4940, 5070, 5352, 5798, 5928, 6084, 6422, 6690, 6760, 6840, 7410, 7605, 8028, 8474, 8697, 8892, 8920, 9633, 9880, 10035, 10140, 11115, 11596, 12168, 12711, 12844, 13380, 14495, 14820, 15210, 16055, 16056, 16948, 17394, 17784, 19266, 20070, 20280, 21185, 22230, 23192, 25422, 25688, 26091, 26760, 28899, 28990, 29640, 30420, 32110, 33896, 34788, 37687, 38133, 38532, 40140, 42370, 43485, 44460, 48165, 50844, 52182, 55081, 57798, 57980, 60840, 63555, 64220, 69576, 75374, 76266, 77064, 80280, 84740, 86970, 88920, 96330, 101688, 104364, 110162, 113061, 115596, 115960, 127110, 128440, 130455, 144495, 150748, 152532, 165243, 169480, 173940, 188435, 190665, 192660, 208728, 220324, 226122, 231192, 254220, 260910, 275405, 288990, 301496, 305064, 330486, 339183, 347880, 376870, 381330, 385320, 440648, 452244, 495729, 508440, 521820, 550810, 565305, 577980, 660972, 678366, 716053, 753740, 762660, 826215, 904488, 991458, 1043640, 1101620, 1130610, 1155960, 1321944, 1356732, 1432106, 1507480, 1525320, 1652430, 1695915, 1982916, 2148159, 2203240, 2261220, 2478645, 2713464, 2864212, 3304860, 3391830, 3580265, 3965832, 4296318, 4522440, 4957290, 5728424, 6444477, 6609720, 6783660, 7160530, 8592636, 9914580, 10740795, 12888954, 13567320, 14321060, 17185272, 19829160, 21481590, 25777908, 28642120, 32222385, 42963180, 51555816, 64444770, 85926360, 128889540, 257779080]

約数ペア:

[(1, 257779080), (2, 128889540), (3, 85926360), (4, 64444770), (5, 51555816), (6, 42963180), (8, 32222385), (9, 28642120), (10, 25777908), (12, 21481590), (13, 19829160), (15, 17185272), (18, 14321060), (19, 13567320), (20, 12888954), (24, 10740795), (26, 9914580), (30, 8592636), (36, 7160530), (38, 6783660), (39, 6609720), (40, 6444477), (45, 5728424), (52, 4957290), (57, 4522440), (60, 4296318), (65, 3965832), (72, 3580265), (76, 3391830), (78, 3304860), (90, 2864212), (95, 2713464), (104, 2478645), (114, 2261220), (117, 2203240), (120, 2148159), (130, 1982916), (152, 1695915), (156, 1652430), (169, 1525320), (171, 1507480), (180, 1432106), (190, 1356732), (195, 1321944), (223, 1155960), (228, 1130610), (234, 1101620), (247, 1043640), (260, 991458), (285, 904488), (312, 826215), (338, 762660), (342, 753740), (360, 716053), (380, 678366), (390, 660972), (446, 577980), (456, 565305), (468, 550810), (494, 521820), (507, 508440), (520, 495729), (570, 452244), (585, 440648), (669, 385320), (676, 381330), (684, 376870), (741, 347880), (760, 339183), (780, 330486), (845, 305064), (855, 301496), (892, 288990), (936, 275405), (988, 260910), (1014, 254220), (1115, 231192), (1140, 226122), (1170, 220324), (1235, 208728), (1338, 192660), (1352, 190665), (1368, 188435), (1482, 173940), (1521, 169480), (1560, 165243), (1690, 152532), (1710, 150748), (1784, 144495), (1976, 130455), (2007, 128440), (2028, 127110), (2223, 115960), (2230, 115596), (2280, 113061), (2340, 110162), (2470, 104364), (2535, 101688), (2676, 96330), (2899, 88920), (2964, 86970), (3042, 84740), (3211, 80280), (3345, 77064), (3380, 76266), (3420, 75374), (3705, 69576), (4014, 64220), (4056, 63555), (4237, 60840), (4446, 57980), (4460, 57798), (4680, 55081), (4940, 52182), (5070, 50844), (5352, 48165), (5798, 44460), (5928, 43485), (6084, 42370), (6422, 40140), (6690, 38532), (6760, 38133), (6840, 37687), (7410, 34788), (7605, 33896), (8028, 32110), (8474, 30420), (8697, 29640), (8892, 28990), (8920, 28899), (9633, 26760), (9880, 26091), (10035, 25688), (10140, 25422), (11115, 23192), (11596, 22230), (12168, 21185), (12711, 20280), (12844, 20070), (13380, 19266), (14495, 17784), (14820, 17394), (15210, 16948), (16055, 16056)]