156931205560

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{97}}^2\times {\mathrm{9697}}^1$

素因数の和:9945

約数の個数: 96

約数和(自身を含む): 365107588560

約数和(自身を除く): 208176383000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 97, 172, 194, 215, 344, 388, 430, 485, 776, 860, 970, 1720, 1940, 3880, 4171, 8342, 9409, 9697, 16684, 18818, 19394, 20855, 33368, 37636, 38788, 41710, 47045, 48485, 75272, 77576, 83420, 94090, 96970, 166840, 188180, 193940, 376360, 387880, 404587, 416971, 809174, 833942, 940609, 1618348, 1667884, 1881218, 2022935, 2084855, 3236696, 3335768, 3762436, 4045870, 4169710, 4703045, 7524872, 8091740, 8339420, 9406090, 16183480, 16678840, 18812180, 37624360, 40446187, 80892374, 91239073, 161784748, 182478146, 202230935, 323569496, 364956292, 404461870, 456195365, 729912584, 808923740, 912390730, 1617847480, 1824781460, 3649562920, 3923280139, 7846560278, 15693120556, 19616400695, 31386241112, 39232801390, 78465602780, 156931205560]

約数ペア:

[(1, 156931205560), (2, 78465602780), (4, 39232801390), (5, 31386241112), (8, 19616400695), (10, 15693120556), (20, 7846560278), (40, 3923280139), (43, 3649562920), (86, 1824781460), (97, 1617847480), (172, 912390730), (194, 808923740), (215, 729912584), (344, 456195365), (388, 404461870), (430, 364956292), (485, 323569496), (776, 202230935), (860, 182478146), (970, 161784748), (1720, 91239073), (1940, 80892374), (3880, 40446187), (4171, 37624360), (8342, 18812180), (9409, 16678840), (9697, 16183480), (16684, 9406090), (18818, 8339420), (19394, 8091740), (20855, 7524872), (33368, 4703045), (37636, 4169710), (38788, 4045870), (41710, 3762436), (47045, 3335768), (48485, 3236696), (75272, 2084855), (77576, 2022935), (83420, 1881218), (94090, 1667884), (96970, 1618348), (166840, 940609), (188180, 833942), (193940, 809174), (376360, 416971), (387880, 404587)]