72258640

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{227}}^1$

素因数の和:436

約数の個数: 80

約数和(自身を含む): 177095808

約数和(自身を除く): 104837168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 173, 184, 227, 230, 346, 368, 454, 460, 692, 865, 908, 920, 1135, 1384, 1730, 1816, 1840, 2270, 2768, 3460, 3632, 3979, 4540, 5221, 6920, 7958, 9080, 10442, 13840, 15916, 18160, 19895, 20884, 26105, 31832, 39271, 39790, 41768, 52210, 63664, 78542, 79580, 83536, 104420, 157084, 159160, 196355, 208840, 314168, 318320, 392710, 417680, 628336, 785420, 903233, 1570840, 1806466, 3141680, 3612932, 4516165, 7225864, 9032330, 14451728, 18064660, 36129320, 72258640]

約数ペア:

[(1, 72258640), (2, 36129320), (4, 18064660), (5, 14451728), (8, 9032330), (10, 7225864), (16, 4516165), (20, 3612932), (23, 3141680), (40, 1806466), (46, 1570840), (80, 903233), (92, 785420), (115, 628336), (173, 417680), (184, 392710), (227, 318320), (230, 314168), (346, 208840), (368, 196355), (454, 159160), (460, 157084), (692, 104420), (865, 83536), (908, 79580), (920, 78542), (1135, 63664), (1384, 52210), (1730, 41768), (1816, 39790), (1840, 39271), (2270, 31832), (2768, 26105), (3460, 20884), (3632, 19895), (3979, 18160), (4540, 15916), (5221, 13840), (6920, 10442), (7958, 9080)]