179250040

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1$

素因数の和:281

約数の個数: 128

約数和(自身を含む): 454584960

約数和(自身を除く): 275334920

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 23, 34, 40, 46, 68, 73, 85, 92, 115, 136, 146, 157, 170, 184, 230, 292, 314, 340, 365, 391, 460, 584, 628, 680, 730, 782, 785, 920, 1241, 1256, 1460, 1564, 1570, 1679, 1955, 2482, 2669, 2920, 3128, 3140, 3358, 3611, 3910, 4964, 5338, 6205, 6280, 6716, 7222, 7820, 8395, 9928, 10676, 11461, 12410, 13345, 13432, 14444, 15640, 16790, 18055, 21352, 22922, 24820, 26690, 28543, 28888, 33580, 36110, 45844, 49640, 53380, 57086, 57305, 61387, 67160, 72220, 91688, 106760, 114172, 114610, 122774, 142715, 144440, 194837, 228344, 229220, 245548, 263603, 285430, 306935, 389674, 458440, 491096, 527206, 570860, 613870, 779348, 974185, 1054412, 1141720, 1227740, 1318015, 1558696, 1948370, 2108824, 2455480, 2636030, 3896740, 4481251, 5272060, 7793480, 8962502, 10544120, 17925004, 22406255, 35850008, 44812510, 89625020, 179250040]

約数ペア:

[(1, 179250040), (2, 89625020), (4, 44812510), (5, 35850008), (8, 22406255), (10, 17925004), (17, 10544120), (20, 8962502), (23, 7793480), (34, 5272060), (40, 4481251), (46, 3896740), (68, 2636030), (73, 2455480), (85, 2108824), (92, 1948370), (115, 1558696), (136, 1318015), (146, 1227740), (157, 1141720), (170, 1054412), (184, 974185), (230, 779348), (292, 613870), (314, 570860), (340, 527206), (365, 491096), (391, 458440), (460, 389674), (584, 306935), (628, 285430), (680, 263603), (730, 245548), (782, 229220), (785, 228344), (920, 194837), (1241, 144440), (1256, 142715), (1460, 122774), (1564, 114610), (1570, 114172), (1679, 106760), (1955, 91688), (2482, 72220), (2669, 67160), (2920, 61387), (3128, 57305), (3140, 57086), (3358, 53380), (3611, 49640), (3910, 45844), (4964, 36110), (5338, 33580), (6205, 28888), (6280, 28543), (6716, 26690), (7222, 24820), (7820, 22922), (8395, 21352), (9928, 18055), (10676, 16790), (11461, 15640), (12410, 14444), (13345, 13432)]