1391231520

素因数分解:

$2^5\times 3^2\times 5^1\times 7^2\times {\mathrm{19717}}^1$

素因数の和:19752

約数の個数: 216

約数和(自身を含む): 5522972364

約数和(自身を除く): 4131740844

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 49, 56, 60, 63, 70, 72, 80, 84, 90, 96, 98, 105, 112, 120, 126, 140, 144, 147, 160, 168, 180, 196, 210, 224, 240, 245, 252, 280, 288, 294, 315, 336, 360, 392, 420, 441, 480, 490, 504, 560, 588, 630, 672, 720, 735, 784, 840, 882, 980, 1008, 1120, 1176, 1260, 1440, 1470, 1568, 1680, 1764, 1960, 2016, 2205, 2352, 2520, 2940, 3360, 3528, 3920, 4410, 4704, 5040, 5880, 7056, 7840, 8820, 10080, 11760, 14112, 17640, 19717, 23520, 35280, 39434, 59151, 70560, 78868, 98585, 118302, 138019, 157736, 177453, 197170, 236604, 276038, 295755, 315472, 354906, 394340, 414057, 473208, 552076, 591510, 630944, 690095, 709812, 788680, 828114, 887265, 946416, 966133, 1104152, 1183020, 1242171, 1380190, 1419624, 1577360, 1656228, 1774530, 1892832, 1932266, 2070285, 2208304, 2366040, 2484342, 2760380, 2839248, 2898399, 3154720, 3312456, 3549060, 3864532, 4140570, 4416608, 4732080, 4830665, 4968684, 5520760, 5678496, 5796798, 6210855, 6624912, 7098120, 7729064, 8281140, 8695197, 9464160, 9661330, 9937368, 11041520, 11593596, 12421710, 13249824, 14196240, 14491995, 15458128, 16562280, 17390394, 19322660, 19874736, 22083040, 23187192, 24843420, 28392480, 28983990, 30916256, 33124560, 34780788, 38645320, 39749472, 43475985, 46374384, 49686840, 57967980, 66249120, 69561576, 77290640, 86951970, 92748768, 99373680, 115935960, 139123152, 154581280, 173903940, 198747360, 231871920, 278246304, 347807880, 463743840, 695615760, 1391231520]

約数ペア:

[(1, 1391231520), (2, 695615760), (3, 463743840), (4, 347807880), (5, 278246304), (6, 231871920), (7, 198747360), (8, 173903940), (9, 154581280), (10, 139123152), (12, 115935960), (14, 99373680), (15, 92748768), (16, 86951970), (18, 77290640), (20, 69561576), (21, 66249120), (24, 57967980), (28, 49686840), (30, 46374384), (32, 43475985), (35, 39749472), (36, 38645320), (40, 34780788), (42, 33124560), (45, 30916256), (48, 28983990), (49, 28392480), (56, 24843420), (60, 23187192), (63, 22083040), (70, 19874736), (72, 19322660), (80, 17390394), (84, 16562280), (90, 15458128), (96, 14491995), (98, 14196240), (105, 13249824), (112, 12421710), (120, 11593596), (126, 11041520), (140, 9937368), (144, 9661330), (147, 9464160), (160, 8695197), (168, 8281140), (180, 7729064), (196, 7098120), (210, 6624912), (224, 6210855), (240, 5796798), (245, 5678496), (252, 5520760), (280, 4968684), (288, 4830665), (294, 4732080), (315, 4416608), (336, 4140570), (360, 3864532), (392, 3549060), (420, 3312456), (441, 3154720), (480, 2898399), (490, 2839248), (504, 2760380), (560, 2484342), (588, 2366040), (630, 2208304), (672, 2070285), (720, 1932266), (735, 1892832), (784, 1774530), (840, 1656228), (882, 1577360), (980, 1419624), (1008, 1380190), (1120, 1242171), (1176, 1183020), (1260, 1104152), (1440, 966133), (1470, 946416), (1568, 887265), (1680, 828114), (1764, 788680), (1960, 709812), (2016, 690095), (2205, 630944), (2352, 591510), (2520, 552076), (2940, 473208), (3360, 414057), (3528, 394340), (3920, 354906), (4410, 315472), (4704, 295755), (5040, 276038), (5880, 236604), (7056, 197170), (7840, 177453), (8820, 157736), (10080, 138019), (11760, 118302), (14112, 98585), (17640, 78868), (19717, 70560), (23520, 59151), (35280, 39434)]