445169920

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{863}}^1$

素因数の和:928

約数の個数: 144

約数和(自身を含む): 1186762752

約数和(自身を除く): 741592832

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 128, 130, 155, 160, 208, 248, 256, 260, 310, 320, 403, 416, 496, 520, 620, 640, 806, 832, 863, 992, 1040, 1240, 1280, 1612, 1664, 1726, 1984, 2015, 2080, 2480, 3224, 3328, 3452, 3968, 4030, 4160, 4315, 4960, 6448, 6904, 7936, 8060, 8320, 8630, 9920, 11219, 12896, 13808, 16120, 16640, 17260, 19840, 22438, 25792, 26753, 27616, 32240, 34520, 39680, 44876, 51584, 53506, 55232, 56095, 64480, 69040, 89752, 103168, 107012, 110464, 112190, 128960, 133765, 138080, 179504, 214024, 220928, 224380, 257920, 267530, 276160, 347789, 359008, 428048, 448760, 515840, 535060, 552320, 695578, 718016, 856096, 897520, 1070120, 1104640, 1391156, 1436032, 1712192, 1738945, 1795040, 2140240, 2782312, 2872064, 3424384, 3477890, 3590080, 4280480, 5564624, 6848768, 6955780, 7180160, 8560960, 11129248, 13911560, 14360320, 17121920, 22258496, 27823120, 34243840, 44516992, 55646240, 89033984, 111292480, 222584960, 445169920]

約数ペア:

[(1, 445169920), (2, 222584960), (4, 111292480), (5, 89033984), (8, 55646240), (10, 44516992), (13, 34243840), (16, 27823120), (20, 22258496), (26, 17121920), (31, 14360320), (32, 13911560), (40, 11129248), (52, 8560960), (62, 7180160), (64, 6955780), (65, 6848768), (80, 5564624), (104, 4280480), (124, 3590080), (128, 3477890), (130, 3424384), (155, 2872064), (160, 2782312), (208, 2140240), (248, 1795040), (256, 1738945), (260, 1712192), (310, 1436032), (320, 1391156), (403, 1104640), (416, 1070120), (496, 897520), (520, 856096), (620, 718016), (640, 695578), (806, 552320), (832, 535060), (863, 515840), (992, 448760), (1040, 428048), (1240, 359008), (1280, 347789), (1612, 276160), (1664, 267530), (1726, 257920), (1984, 224380), (2015, 220928), (2080, 214024), (2480, 179504), (3224, 138080), (3328, 133765), (3452, 128960), (3968, 112190), (4030, 110464), (4160, 107012), (4315, 103168), (4960, 89752), (6448, 69040), (6904, 64480), (7936, 56095), (8060, 55232), (8320, 53506), (8630, 51584), (9920, 44876), (11219, 39680), (12896, 34520), (13808, 32240), (16120, 27616), (16640, 26753), (17260, 25792), (19840, 22438)]