77974680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{149}}^1$

素因数の和:266

約数の個数: 192

約数和(自身を含む): 277020000

約数和(自身を除く): 199045320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 84, 89, 98, 105, 120, 140, 147, 149, 168, 178, 196, 210, 245, 267, 280, 294, 298, 356, 392, 420, 445, 447, 490, 534, 588, 596, 623, 712, 735, 745, 840, 890, 894, 980, 1043, 1068, 1176, 1192, 1246, 1335, 1470, 1490, 1780, 1788, 1869, 1960, 2086, 2136, 2235, 2492, 2670, 2940, 2980, 3115, 3129, 3560, 3576, 3738, 4172, 4361, 4470, 4984, 5215, 5340, 5880, 5960, 6230, 6258, 7301, 7476, 8344, 8722, 8940, 9345, 10430, 10680, 12460, 12516, 13083, 13261, 14602, 14952, 15645, 17444, 17880, 18690, 20860, 21805, 21903, 24920, 25032, 26166, 26522, 29204, 31290, 34888, 36505, 37380, 39783, 41720, 43610, 43806, 52332, 53044, 58408, 62580, 65415, 66305, 73010, 74760, 79566, 87220, 87612, 92827, 104664, 106088, 109515, 125160, 130830, 132610, 146020, 159132, 174440, 175224, 185654, 198915, 219030, 261660, 265220, 278481, 292040, 318264, 371308, 397830, 438060, 464135, 523320, 530440, 556962, 649789, 742616, 795660, 876120, 928270, 1113924, 1299578, 1392405, 1591320, 1856540, 1949367, 2227848, 2599156, 2784810, 3248945, 3713080, 3898734, 5198312, 5569620, 6497890, 7797468, 9746835, 11139240, 12995780, 15594936, 19493670, 25991560, 38987340, 77974680]

約数ペア:

[(1, 77974680), (2, 38987340), (3, 25991560), (4, 19493670), (5, 15594936), (6, 12995780), (7, 11139240), (8, 9746835), (10, 7797468), (12, 6497890), (14, 5569620), (15, 5198312), (20, 3898734), (21, 3713080), (24, 3248945), (28, 2784810), (30, 2599156), (35, 2227848), (40, 1949367), (42, 1856540), (49, 1591320), (56, 1392405), (60, 1299578), (70, 1113924), (84, 928270), (89, 876120), (98, 795660), (105, 742616), (120, 649789), (140, 556962), (147, 530440), (149, 523320), (168, 464135), (178, 438060), (196, 397830), (210, 371308), (245, 318264), (267, 292040), (280, 278481), (294, 265220), (298, 261660), (356, 219030), (392, 198915), (420, 185654), (445, 175224), (447, 174440), (490, 159132), (534, 146020), (588, 132610), (596, 130830), (623, 125160), (712, 109515), (735, 106088), (745, 104664), (840, 92827), (890, 87612), (894, 87220), (980, 79566), (1043, 74760), (1068, 73010), (1176, 66305), (1192, 65415), (1246, 62580), (1335, 58408), (1470, 53044), (1490, 52332), (1780, 43806), (1788, 43610), (1869, 41720), (1960, 39783), (2086, 37380), (2136, 36505), (2235, 34888), (2492, 31290), (2670, 29204), (2940, 26522), (2980, 26166), (3115, 25032), (3129, 24920), (3560, 21903), (3576, 21805), (3738, 20860), (4172, 18690), (4361, 17880), (4470, 17444), (4984, 15645), (5215, 14952), (5340, 14602), (5880, 13261), (5960, 13083), (6230, 12516), (6258, 12460), (7301, 10680), (7476, 10430), (8344, 9345), (8722, 8940)]