840906560

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{10639}}^1$

素因数の和:10688

約数の個数: 112

約数和(自身を含む): 2270150400

約数和(自身を除く): 1429243840

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 52, 64, 65, 76, 80, 95, 104, 130, 152, 160, 190, 208, 247, 260, 304, 320, 380, 416, 494, 520, 608, 760, 832, 988, 1040, 1216, 1235, 1520, 1976, 2080, 2470, 3040, 3952, 4160, 4940, 6080, 7904, 9880, 10639, 15808, 19760, 21278, 39520, 42556, 53195, 79040, 85112, 106390, 138307, 170224, 202141, 212780, 276614, 340448, 404282, 425560, 553228, 680896, 691535, 808564, 851120, 1010705, 1106456, 1383070, 1617128, 1702240, 2021410, 2212912, 2627833, 2766140, 3234256, 3404480, 4042820, 4425824, 5255666, 5532280, 6468512, 8085640, 8851648, 10511332, 11064560, 12937024, 13139165, 16171280, 21022664, 22129120, 26278330, 32342560, 42045328, 44258240, 52556660, 64685120, 84090656, 105113320, 168181312, 210226640, 420453280, 840906560]

約数ペア:

[(1, 840906560), (2, 420453280), (4, 210226640), (5, 168181312), (8, 105113320), (10, 84090656), (13, 64685120), (16, 52556660), (19, 44258240), (20, 42045328), (26, 32342560), (32, 26278330), (38, 22129120), (40, 21022664), (52, 16171280), (64, 13139165), (65, 12937024), (76, 11064560), (80, 10511332), (95, 8851648), (104, 8085640), (130, 6468512), (152, 5532280), (160, 5255666), (190, 4425824), (208, 4042820), (247, 3404480), (260, 3234256), (304, 2766140), (320, 2627833), (380, 2212912), (416, 2021410), (494, 1702240), (520, 1617128), (608, 1383070), (760, 1106456), (832, 1010705), (988, 851120), (1040, 808564), (1216, 691535), (1235, 680896), (1520, 553228), (1976, 425560), (2080, 404282), (2470, 340448), (3040, 276614), (3952, 212780), (4160, 202141), (4940, 170224), (6080, 138307), (7904, 106390), (9880, 85112), (10639, 79040), (15808, 53195), (19760, 42556), (21278, 39520)]