90616880

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{281}}^1$

素因数の和:462

約数の個数: 80

約数和(自身を含む): 220298400

約数和(自身を除く): 129681520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 139, 145, 232, 278, 281, 290, 464, 556, 562, 580, 695, 1112, 1124, 1160, 1390, 1405, 2224, 2248, 2320, 2780, 2810, 4031, 4496, 5560, 5620, 8062, 8149, 11120, 11240, 16124, 16298, 20155, 22480, 32248, 32596, 39059, 40310, 40745, 64496, 65192, 78118, 80620, 81490, 130384, 156236, 161240, 162980, 195295, 312472, 322480, 325960, 390590, 624944, 651920, 781180, 1132711, 1562360, 2265422, 3124720, 4530844, 5663555, 9061688, 11327110, 18123376, 22654220, 45308440, 90616880]

約数ペア:

[(1, 90616880), (2, 45308440), (4, 22654220), (5, 18123376), (8, 11327110), (10, 9061688), (16, 5663555), (20, 4530844), (29, 3124720), (40, 2265422), (58, 1562360), (80, 1132711), (116, 781180), (139, 651920), (145, 624944), (232, 390590), (278, 325960), (281, 322480), (290, 312472), (464, 195295), (556, 162980), (562, 161240), (580, 156236), (695, 130384), (1112, 81490), (1124, 80620), (1160, 78118), (1390, 65192), (1405, 64496), (2224, 40745), (2248, 40310), (2320, 39059), (2780, 32596), (2810, 32248), (4031, 22480), (4496, 20155), (5560, 16298), (5620, 16124), (8062, 11240), (8149, 11120)]