400970520

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{2671}}^1$

素因数の和:2830

約数の個数: 128

約数和(自身を含む): 1346688000

約数和(自身を除く): 945717480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 139, 180, 216, 270, 278, 360, 417, 540, 556, 695, 834, 1080, 1112, 1251, 1390, 1668, 2085, 2502, 2671, 2780, 3336, 3753, 4170, 5004, 5342, 5560, 6255, 7506, 8013, 8340, 10008, 10684, 12510, 13355, 15012, 16026, 16680, 18765, 21368, 24039, 25020, 26710, 30024, 32052, 37530, 40065, 48078, 50040, 53420, 64104, 72117, 75060, 80130, 96156, 106840, 120195, 144234, 150120, 160260, 192312, 240390, 288468, 320520, 360585, 371269, 480780, 576936, 721170, 742538, 961560, 1113807, 1442340, 1485076, 1856345, 2227614, 2884680, 2970152, 3341421, 3712690, 4455228, 5569035, 6682842, 7425380, 8910456, 10024263, 11138070, 13365684, 14850760, 16707105, 20048526, 22276140, 26731368, 33414210, 40097052, 44552280, 50121315, 66828420, 80194104, 100242630, 133656840, 200485260, 400970520]

約数ペア:

[(1, 400970520), (2, 200485260), (3, 133656840), (4, 100242630), (5, 80194104), (6, 66828420), (8, 50121315), (9, 44552280), (10, 40097052), (12, 33414210), (15, 26731368), (18, 22276140), (20, 20048526), (24, 16707105), (27, 14850760), (30, 13365684), (36, 11138070), (40, 10024263), (45, 8910456), (54, 7425380), (60, 6682842), (72, 5569035), (90, 4455228), (108, 3712690), (120, 3341421), (135, 2970152), (139, 2884680), (180, 2227614), (216, 1856345), (270, 1485076), (278, 1442340), (360, 1113807), (417, 961560), (540, 742538), (556, 721170), (695, 576936), (834, 480780), (1080, 371269), (1112, 360585), (1251, 320520), (1390, 288468), (1668, 240390), (2085, 192312), (2502, 160260), (2671, 150120), (2780, 144234), (3336, 120195), (3753, 106840), (4170, 96156), (5004, 80130), (5342, 75060), (5560, 72117), (6255, 64104), (7506, 53420), (8013, 50040), (8340, 48078), (10008, 40065), (10684, 37530), (12510, 32052), (13355, 30024), (15012, 26710), (16026, 25020), (16680, 24039), (18765, 21368)]