256156920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{19231}}^1$

素因数の和:19285

約数の個数: 96

約数和(自身を含む): 855054720

約数和(自身を除く): 598897800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 37, 40, 45, 60, 72, 74, 90, 111, 120, 148, 180, 185, 222, 296, 333, 360, 370, 444, 555, 666, 740, 888, 1110, 1332, 1480, 1665, 2220, 2664, 3330, 4440, 6660, 13320, 19231, 38462, 57693, 76924, 96155, 115386, 153848, 173079, 192310, 230772, 288465, 346158, 384620, 461544, 576930, 692316, 711547, 769240, 865395, 1153860, 1384632, 1423094, 1730790, 2134641, 2307720, 2846188, 3461580, 3557735, 4269282, 5692376, 6403923, 6923160, 7115470, 8538564, 10673205, 12807846, 14230940, 17077128, 21346410, 25615692, 28461880, 32019615, 42692820, 51231384, 64039230, 85385640, 128078460, 256156920]

約数ペア:

[(1, 256156920), (2, 128078460), (3, 85385640), (4, 64039230), (5, 51231384), (6, 42692820), (8, 32019615), (9, 28461880), (10, 25615692), (12, 21346410), (15, 17077128), (18, 14230940), (20, 12807846), (24, 10673205), (30, 8538564), (36, 7115470), (37, 6923160), (40, 6403923), (45, 5692376), (60, 4269282), (72, 3557735), (74, 3461580), (90, 2846188), (111, 2307720), (120, 2134641), (148, 1730790), (180, 1423094), (185, 1384632), (222, 1153860), (296, 865395), (333, 769240), (360, 711547), (370, 692316), (444, 576930), (555, 461544), (666, 384620), (740, 346158), (888, 288465), (1110, 230772), (1332, 192310), (1480, 173079), (1665, 153848), (2220, 115386), (2664, 96155), (3330, 76924), (4440, 57693), (6660, 38462), (13320, 19231)]