90026240

素因数分解:

$2^8\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1153}}^1$

素因数の和:1235

約数の個数: 72

約数和(自身を含む): 219366168

約数和(自身を除く): 129339928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 128, 160, 244, 256, 305, 320, 488, 610, 640, 976, 1153, 1220, 1280, 1952, 2306, 2440, 3904, 4612, 4880, 5765, 7808, 9224, 9760, 11530, 15616, 18448, 19520, 23060, 36896, 39040, 46120, 70333, 73792, 78080, 92240, 140666, 147584, 184480, 281332, 295168, 351665, 368960, 562664, 703330, 737920, 1125328, 1406660, 1475840, 2250656, 2813320, 4501312, 5626640, 9002624, 11253280, 18005248, 22506560, 45013120, 90026240]

約数ペア:

[(1, 90026240), (2, 45013120), (4, 22506560), (5, 18005248), (8, 11253280), (10, 9002624), (16, 5626640), (20, 4501312), (32, 2813320), (40, 2250656), (61, 1475840), (64, 1406660), (80, 1125328), (122, 737920), (128, 703330), (160, 562664), (244, 368960), (256, 351665), (305, 295168), (320, 281332), (488, 184480), (610, 147584), (640, 140666), (976, 92240), (1153, 78080), (1220, 73792), (1280, 70333), (1952, 46120), (2306, 39040), (2440, 36896), (3904, 23060), (4612, 19520), (4880, 18448), (5765, 15616), (7808, 11530), (9224, 9760)]