745288960

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{44789}}^1$

素因数の和:44823

約数の個数: 72

約数和(自身を含む): 1922565960

約数和(自身を除く): 1177277000

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 520, 640, 832, 1040, 1280, 1664, 2080, 3328, 4160, 8320, 16640, 44789, 89578, 179156, 223945, 358312, 447890, 582257, 716624, 895780, 1164514, 1433248, 1791560, 2329028, 2866496, 2911285, 3583120, 4658056, 5732992, 5822570, 7166240, 9316112, 11465984, 11645140, 14332480, 18632224, 23290280, 28664960, 37264448, 46580560, 57329920, 74528896, 93161120, 149057792, 186322240, 372644480, 745288960]

約数ペア:

[(1, 745288960), (2, 372644480), (4, 186322240), (5, 149057792), (8, 93161120), (10, 74528896), (13, 57329920), (16, 46580560), (20, 37264448), (26, 28664960), (32, 23290280), (40, 18632224), (52, 14332480), (64, 11645140), (65, 11465984), (80, 9316112), (104, 7166240), (128, 5822570), (130, 5732992), (160, 4658056), (208, 3583120), (256, 2911285), (260, 2866496), (320, 2329028), (416, 1791560), (520, 1433248), (640, 1164514), (832, 895780), (1040, 716624), (1280, 582257), (1664, 447890), (2080, 358312), (3328, 223945), (4160, 179156), (8320, 89578), (16640, 44789)]