77488720

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{227}}^1\times {\mathrm{251}}^1$

素因数の和:508

約数の個数: 80

約数和(自身を含む): 192362688

約数和(自身を除く): 114873968

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 227, 251, 272, 340, 454, 502, 680, 908, 1004, 1135, 1255, 1360, 1816, 2008, 2270, 2510, 3632, 3859, 4016, 4267, 4540, 5020, 7718, 8534, 9080, 10040, 15436, 17068, 18160, 19295, 20080, 21335, 30872, 34136, 38590, 42670, 56977, 61744, 68272, 77180, 85340, 113954, 154360, 170680, 227908, 284885, 308720, 341360, 455816, 569770, 911632, 968609, 1139540, 1937218, 2279080, 3874436, 4558160, 4843045, 7748872, 9686090, 15497744, 19372180, 38744360, 77488720]

約数ペア:

[(1, 77488720), (2, 38744360), (4, 19372180), (5, 15497744), (8, 9686090), (10, 7748872), (16, 4843045), (17, 4558160), (20, 3874436), (34, 2279080), (40, 1937218), (68, 1139540), (80, 968609), (85, 911632), (136, 569770), (170, 455816), (227, 341360), (251, 308720), (272, 284885), (340, 227908), (454, 170680), (502, 154360), (680, 113954), (908, 85340), (1004, 77180), (1135, 68272), (1255, 61744), (1360, 56977), (1816, 42670), (2008, 38590), (2270, 34136), (2510, 30872), (3632, 21335), (3859, 20080), (4016, 19295), (4267, 18160), (4540, 17068), (5020, 15436), (7718, 10040), (8534, 9080)]