340570880

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{211}}^1$

素因数の和:342

約数の個数: 144

約数和(自身を含む): 891789024

約数和(自身を除く): 551218144

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 97, 104, 128, 130, 160, 194, 208, 211, 256, 260, 320, 388, 416, 422, 485, 520, 640, 776, 832, 844, 970, 1040, 1055, 1261, 1280, 1552, 1664, 1688, 1940, 2080, 2110, 2522, 2743, 3104, 3328, 3376, 3880, 4160, 4220, 5044, 5486, 6208, 6305, 6752, 7760, 8320, 8440, 10088, 10972, 12416, 12610, 13504, 13715, 15520, 16640, 16880, 20176, 20467, 21944, 24832, 25220, 27008, 27430, 31040, 33760, 40352, 40934, 43888, 50440, 54016, 54860, 62080, 67520, 80704, 81868, 87776, 100880, 102335, 109720, 124160, 135040, 161408, 163736, 175552, 201760, 204670, 219440, 266071, 270080, 322816, 327472, 351104, 403520, 409340, 438880, 532142, 654944, 702208, 807040, 818680, 877760, 1064284, 1309888, 1330355, 1614080, 1637360, 1755520, 2128568, 2619776, 2660710, 3274720, 3511040, 4257136, 5239552, 5321420, 6549440, 8514272, 10642840, 13098880, 17028544, 21285680, 26197760, 34057088, 42571360, 68114176, 85142720, 170285440, 340570880]

約数ペア:

[(1, 340570880), (2, 170285440), (4, 85142720), (5, 68114176), (8, 42571360), (10, 34057088), (13, 26197760), (16, 21285680), (20, 17028544), (26, 13098880), (32, 10642840), (40, 8514272), (52, 6549440), (64, 5321420), (65, 5239552), (80, 4257136), (97, 3511040), (104, 3274720), (128, 2660710), (130, 2619776), (160, 2128568), (194, 1755520), (208, 1637360), (211, 1614080), (256, 1330355), (260, 1309888), (320, 1064284), (388, 877760), (416, 818680), (422, 807040), (485, 702208), (520, 654944), (640, 532142), (776, 438880), (832, 409340), (844, 403520), (970, 351104), (1040, 327472), (1055, 322816), (1261, 270080), (1280, 266071), (1552, 219440), (1664, 204670), (1688, 201760), (1940, 175552), (2080, 163736), (2110, 161408), (2522, 135040), (2743, 124160), (3104, 109720), (3328, 102335), (3376, 100880), (3880, 87776), (4160, 81868), (4220, 80704), (5044, 67520), (5486, 62080), (6208, 54860), (6305, 54016), (6752, 50440), (7760, 43888), (8320, 40934), (8440, 40352), (10088, 33760), (10972, 31040), (12416, 27430), (12610, 27008), (13504, 25220), (13715, 24832), (15520, 21944), (16640, 20467), (16880, 20176)]