255140640

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{1087}}^1$

素因数の和:1271

約数の個数: 144

約数和(自身を含む): 876814848

約数和(自身を除く): 621674208

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 163, 180, 240, 288, 326, 360, 480, 489, 652, 720, 815, 978, 1087, 1304, 1440, 1467, 1630, 1956, 2174, 2445, 2608, 2934, 3260, 3261, 3912, 4348, 4890, 5216, 5435, 5868, 6520, 6522, 7335, 7824, 8696, 9780, 9783, 10870, 11736, 13040, 13044, 14670, 15648, 16305, 17392, 19560, 19566, 21740, 23472, 26080, 26088, 29340, 32610, 34784, 39120, 39132, 43480, 46944, 48915, 52176, 58680, 65220, 78240, 78264, 86960, 97830, 104352, 117360, 130440, 156528, 173920, 177181, 195660, 234720, 260880, 313056, 354362, 391320, 521760, 531543, 708724, 782640, 885905, 1063086, 1417448, 1565280, 1594629, 1771810, 2126172, 2657715, 2834896, 3189258, 3543620, 4252344, 5315430, 5669792, 6378516, 7087240, 7973145, 8504688, 10630860, 12757032, 14174480, 15946290, 17009376, 21261720, 25514064, 28348960, 31892580, 42523440, 51028128, 63785160, 85046880, 127570320, 255140640]

約数ペア:

[(1, 255140640), (2, 127570320), (3, 85046880), (4, 63785160), (5, 51028128), (6, 42523440), (8, 31892580), (9, 28348960), (10, 25514064), (12, 21261720), (15, 17009376), (16, 15946290), (18, 14174480), (20, 12757032), (24, 10630860), (30, 8504688), (32, 7973145), (36, 7087240), (40, 6378516), (45, 5669792), (48, 5315430), (60, 4252344), (72, 3543620), (80, 3189258), (90, 2834896), (96, 2657715), (120, 2126172), (144, 1771810), (160, 1594629), (163, 1565280), (180, 1417448), (240, 1063086), (288, 885905), (326, 782640), (360, 708724), (480, 531543), (489, 521760), (652, 391320), (720, 354362), (815, 313056), (978, 260880), (1087, 234720), (1304, 195660), (1440, 177181), (1467, 173920), (1630, 156528), (1956, 130440), (2174, 117360), (2445, 104352), (2608, 97830), (2934, 86960), (3260, 78264), (3261, 78240), (3912, 65220), (4348, 58680), (4890, 52176), (5216, 48915), (5435, 46944), (5868, 43480), (6520, 39132), (6522, 39120), (7335, 34784), (7824, 32610), (8696, 29340), (9780, 26088), (9783, 26080), (10870, 23472), (11736, 21740), (13040, 19566), (13044, 19560), (14670, 17392), (15648, 16305)]