64574720

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{7207}}^1$

素因数の和:7235

約数の個数: 72

約数和(自身を含む): 176797824

約数和(自身を除く): 112223104

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 560, 640, 896, 1120, 1280, 1792, 2240, 4480, 7207, 8960, 14414, 28828, 36035, 50449, 57656, 72070, 100898, 115312, 144140, 201796, 230624, 252245, 288280, 403592, 461248, 504490, 576560, 807184, 922496, 1008980, 1153120, 1614368, 1844992, 2017960, 2306240, 3228736, 4035920, 4612480, 6457472, 8071840, 9224960, 12914944, 16143680, 32287360, 64574720]

約数ペア:

[(1, 64574720), (2, 32287360), (4, 16143680), (5, 12914944), (7, 9224960), (8, 8071840), (10, 6457472), (14, 4612480), (16, 4035920), (20, 3228736), (28, 2306240), (32, 2017960), (35, 1844992), (40, 1614368), (56, 1153120), (64, 1008980), (70, 922496), (80, 807184), (112, 576560), (128, 504490), (140, 461248), (160, 403592), (224, 288280), (256, 252245), (280, 230624), (320, 201796), (448, 144140), (560, 115312), (640, 100898), (896, 72070), (1120, 57656), (1280, 50449), (1792, 36035), (2240, 28828), (4480, 14414), (7207, 8960)]