1321946640

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{8461}}^1$

素因数の和:8518

約数の個数: 240

約数和(自身を含む): 5238045696

約数和(自身を除く): 3916099056

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 31, 35, 36, 40, 42, 45, 48, 56, 60, 62, 63, 70, 72, 80, 84, 90, 93, 105, 112, 120, 124, 126, 140, 144, 155, 168, 180, 186, 210, 217, 240, 248, 252, 279, 280, 310, 315, 336, 360, 372, 420, 434, 465, 496, 504, 558, 560, 620, 630, 651, 720, 744, 840, 868, 930, 1008, 1085, 1116, 1240, 1260, 1302, 1395, 1488, 1680, 1736, 1860, 1953, 2170, 2232, 2480, 2520, 2604, 2790, 3255, 3472, 3720, 3906, 4340, 4464, 5040, 5208, 5580, 6510, 7440, 7812, 8461, 8680, 9765, 10416, 11160, 13020, 15624, 16922, 17360, 19530, 22320, 25383, 26040, 31248, 33844, 39060, 42305, 50766, 52080, 59227, 67688, 76149, 78120, 84610, 101532, 118454, 126915, 135376, 152298, 156240, 169220, 177681, 203064, 236908, 253830, 262291, 296135, 304596, 338440, 355362, 380745, 406128, 473816, 507660, 524582, 533043, 592270, 609192, 676880, 710724, 761490, 786873, 888405, 947632, 1015320, 1049164, 1066086, 1184540, 1218384, 1311455, 1421448, 1522980, 1573746, 1776810, 1836037, 2030640, 2098328, 2132172, 2360619, 2369080, 2622910, 2665215, 2842896, 3045960, 3147492, 3553620, 3672074, 3934365, 4196656, 4264344, 4721238, 4738160, 5245820, 5330430, 5508111, 6091920, 6294984, 7107240, 7344148, 7868730, 8528688, 9180185, 9442476, 10491640, 10660860, 11016222, 11803095, 12589968, 14214480, 14688296, 15737460, 16524333, 18360370, 18884952, 20983280, 21321720, 22032444, 23606190, 27540555, 29376592, 31474920, 33048666, 36720740, 37769904, 42643440, 44064888, 47212380, 55081110, 62949840, 66097332, 73441480, 82621665, 88129776, 94424760, 110162220, 132194664, 146882960, 165243330, 188849520, 220324440, 264389328, 330486660, 440648880, 660973320, 1321946640]

約数ペア:

[(1, 1321946640), (2, 660973320), (3, 440648880), (4, 330486660), (5, 264389328), (6, 220324440), (7, 188849520), (8, 165243330), (9, 146882960), (10, 132194664), (12, 110162220), (14, 94424760), (15, 88129776), (16, 82621665), (18, 73441480), (20, 66097332), (21, 62949840), (24, 55081110), (28, 47212380), (30, 44064888), (31, 42643440), (35, 37769904), (36, 36720740), (40, 33048666), (42, 31474920), (45, 29376592), (48, 27540555), (56, 23606190), (60, 22032444), (62, 21321720), (63, 20983280), (70, 18884952), (72, 18360370), (80, 16524333), (84, 15737460), (90, 14688296), (93, 14214480), (105, 12589968), (112, 11803095), (120, 11016222), (124, 10660860), (126, 10491640), (140, 9442476), (144, 9180185), (155, 8528688), (168, 7868730), (180, 7344148), (186, 7107240), (210, 6294984), (217, 6091920), (240, 5508111), (248, 5330430), (252, 5245820), (279, 4738160), (280, 4721238), (310, 4264344), (315, 4196656), (336, 3934365), (360, 3672074), (372, 3553620), (420, 3147492), (434, 3045960), (465, 2842896), (496, 2665215), (504, 2622910), (558, 2369080), (560, 2360619), (620, 2132172), (630, 2098328), (651, 2030640), (720, 1836037), (744, 1776810), (840, 1573746), (868, 1522980), (930, 1421448), (1008, 1311455), (1085, 1218384), (1116, 1184540), (1240, 1066086), (1260, 1049164), (1302, 1015320), (1395, 947632), (1488, 888405), (1680, 786873), (1736, 761490), (1860, 710724), (1953, 676880), (2170, 609192), (2232, 592270), (2480, 533043), (2520, 524582), (2604, 507660), (2790, 473816), (3255, 406128), (3472, 380745), (3720, 355362), (3906, 338440), (4340, 304596), (4464, 296135), (5040, 262291), (5208, 253830), (5580, 236908), (6510, 203064), (7440, 177681), (7812, 169220), (8461, 156240), (8680, 152298), (9765, 135376), (10416, 126915), (11160, 118454), (13020, 101532), (15624, 84610), (16922, 78120), (17360, 76149), (19530, 67688), (22320, 59227), (25383, 52080), (26040, 50766), (31248, 42305), (33844, 39060)]