25857720

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{331}}^1$

素因数の和:386

約数の個数: 192

約数和(自身を含む): 99440640

約数和(自身を除く): 73582920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 31, 35, 36, 40, 42, 45, 56, 60, 62, 63, 70, 72, 84, 90, 93, 105, 120, 124, 126, 140, 155, 168, 180, 186, 210, 217, 248, 252, 279, 280, 310, 315, 331, 360, 372, 420, 434, 465, 504, 558, 620, 630, 651, 662, 744, 840, 868, 930, 993, 1085, 1116, 1240, 1260, 1302, 1324, 1395, 1655, 1736, 1860, 1953, 1986, 2170, 2232, 2317, 2520, 2604, 2648, 2790, 2979, 3255, 3310, 3720, 3906, 3972, 4340, 4634, 4965, 5208, 5580, 5958, 6510, 6620, 6951, 7812, 7944, 8680, 9268, 9765, 9930, 10261, 11160, 11585, 11916, 13020, 13240, 13902, 14895, 15624, 18536, 19530, 19860, 20522, 20853, 23170, 23832, 26040, 27804, 29790, 30783, 34755, 39060, 39720, 41044, 41706, 46340, 51305, 55608, 59580, 61566, 69510, 71827, 78120, 82088, 83412, 92349, 92680, 102610, 104265, 119160, 123132, 139020, 143654, 153915, 166824, 184698, 205220, 208530, 215481, 246264, 278040, 287308, 307830, 359135, 369396, 410440, 417060, 430962, 461745, 574616, 615660, 646443, 718270, 738792, 834120, 861924, 923490, 1077405, 1231320, 1292886, 1436540, 1723848, 1846980, 2154810, 2585772, 2873080, 3232215, 3693960, 4309620, 5171544, 6464430, 8619240, 12928860, 25857720]

約数ペア:

[(1, 25857720), (2, 12928860), (3, 8619240), (4, 6464430), (5, 5171544), (6, 4309620), (7, 3693960), (8, 3232215), (9, 2873080), (10, 2585772), (12, 2154810), (14, 1846980), (15, 1723848), (18, 1436540), (20, 1292886), (21, 1231320), (24, 1077405), (28, 923490), (30, 861924), (31, 834120), (35, 738792), (36, 718270), (40, 646443), (42, 615660), (45, 574616), (56, 461745), (60, 430962), (62, 417060), (63, 410440), (70, 369396), (72, 359135), (84, 307830), (90, 287308), (93, 278040), (105, 246264), (120, 215481), (124, 208530), (126, 205220), (140, 184698), (155, 166824), (168, 153915), (180, 143654), (186, 139020), (210, 123132), (217, 119160), (248, 104265), (252, 102610), (279, 92680), (280, 92349), (310, 83412), (315, 82088), (331, 78120), (360, 71827), (372, 69510), (420, 61566), (434, 59580), (465, 55608), (504, 51305), (558, 46340), (620, 41706), (630, 41044), (651, 39720), (662, 39060), (744, 34755), (840, 30783), (868, 29790), (930, 27804), (993, 26040), (1085, 23832), (1116, 23170), (1240, 20853), (1260, 20522), (1302, 19860), (1324, 19530), (1395, 18536), (1655, 15624), (1736, 14895), (1860, 13902), (1953, 13240), (1986, 13020), (2170, 11916), (2232, 11585), (2317, 11160), (2520, 10261), (2604, 9930), (2648, 9765), (2790, 9268), (2979, 8680), (3255, 7944), (3310, 7812), (3720, 6951), (3906, 6620), (3972, 6510), (4340, 5958), (4634, 5580), (4965, 5208)]