278981640

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{743}}^1$

素因数の和:916

約数の個数: 192

約数和(自身を含む): 1044576000

約数和(自身を除く): 765594360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 149, 168, 180, 210, 252, 280, 298, 315, 360, 420, 447, 504, 596, 630, 743, 745, 840, 894, 1043, 1192, 1260, 1341, 1486, 1490, 1788, 2086, 2229, 2235, 2520, 2682, 2972, 2980, 3129, 3576, 3715, 4172, 4458, 4470, 5201, 5215, 5364, 5944, 5960, 6258, 6687, 6705, 7430, 8344, 8916, 8940, 9387, 10402, 10430, 10728, 11145, 12516, 13374, 13410, 14860, 15603, 15645, 17832, 17880, 18774, 20804, 20860, 22290, 25032, 26005, 26748, 26820, 29720, 31206, 31290, 33435, 37548, 41608, 41720, 44580, 46809, 46935, 52010, 53496, 53640, 62412, 62580, 66870, 75096, 78015, 89160, 93618, 93870, 104020, 110707, 124824, 125160, 133740, 156030, 187236, 187740, 208040, 221414, 234045, 267480, 312060, 332121, 374472, 375480, 442828, 468090, 553535, 624120, 664242, 774949, 885656, 936180, 996363, 1107070, 1328484, 1549898, 1660605, 1872360, 1992726, 2214140, 2324847, 2656968, 3099796, 3321210, 3874745, 3985452, 4428280, 4649694, 4981815, 6199592, 6642420, 6974541, 7749490, 7970904, 9299388, 9963630, 11624235, 13284840, 13949082, 15498980, 18598776, 19927260, 23248470, 27898164, 30997960, 34872705, 39854520, 46496940, 55796328, 69745410, 92993880, 139490820, 278981640]

約数ペア:

[(1, 278981640), (2, 139490820), (3, 92993880), (4, 69745410), (5, 55796328), (6, 46496940), (7, 39854520), (8, 34872705), (9, 30997960), (10, 27898164), (12, 23248470), (14, 19927260), (15, 18598776), (18, 15498980), (20, 13949082), (21, 13284840), (24, 11624235), (28, 9963630), (30, 9299388), (35, 7970904), (36, 7749490), (40, 6974541), (42, 6642420), (45, 6199592), (56, 4981815), (60, 4649694), (63, 4428280), (70, 3985452), (72, 3874745), (84, 3321210), (90, 3099796), (105, 2656968), (120, 2324847), (126, 2214140), (140, 1992726), (149, 1872360), (168, 1660605), (180, 1549898), (210, 1328484), (252, 1107070), (280, 996363), (298, 936180), (315, 885656), (360, 774949), (420, 664242), (447, 624120), (504, 553535), (596, 468090), (630, 442828), (743, 375480), (745, 374472), (840, 332121), (894, 312060), (1043, 267480), (1192, 234045), (1260, 221414), (1341, 208040), (1486, 187740), (1490, 187236), (1788, 156030), (2086, 133740), (2229, 125160), (2235, 124824), (2520, 110707), (2682, 104020), (2972, 93870), (2980, 93618), (3129, 89160), (3576, 78015), (3715, 75096), (4172, 66870), (4458, 62580), (4470, 62412), (5201, 53640), (5215, 53496), (5364, 52010), (5944, 46935), (5960, 46809), (6258, 44580), (6687, 41720), (6705, 41608), (7430, 37548), (8344, 33435), (8916, 31290), (8940, 31206), (9387, 29720), (10402, 26820), (10430, 26748), (10728, 26005), (11145, 25032), (12516, 22290), (13374, 20860), (13410, 20804), (14860, 18774), (15603, 17880), (15645, 17832)]