15694514780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{997}}^1\times {\mathrm{16063}}^1$

素因数の和:17083

約数の個数: 72

約数和(自身を含む): 38380301568

約数和(自身を除く): 22685786788

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 997, 1994, 3988, 4985, 6979, 9970, 13958, 16063, 19940, 27916, 32126, 34895, 48853, 64252, 69790, 80315, 97706, 112441, 139580, 160630, 195412, 224882, 244265, 321260, 449764, 488530, 562205, 787087, 977060, 1124410, 1574174, 2248820, 3148348, 3935435, 7870870, 15741740, 16014811, 32029622, 64059244, 80074055, 112103677, 160148110, 224207354, 320296220, 448414708, 560518385, 784725739, 1121036770, 1569451478, 2242073540, 3138902956, 3923628695, 7847257390, 15694514780]

約数ペア:

[(1, 15694514780), (2, 7847257390), (4, 3923628695), (5, 3138902956), (7, 2242073540), (10, 1569451478), (14, 1121036770), (20, 784725739), (28, 560518385), (35, 448414708), (49, 320296220), (70, 224207354), (98, 160148110), (140, 112103677), (196, 80074055), (245, 64059244), (490, 32029622), (980, 16014811), (997, 15741740), (1994, 7870870), (3988, 3935435), (4985, 3148348), (6979, 2248820), (9970, 1574174), (13958, 1124410), (16063, 977060), (19940, 787087), (27916, 562205), (32126, 488530), (34895, 449764), (48853, 321260), (64252, 244265), (69790, 224882), (80315, 195412), (97706, 160630), (112441, 139580)]