72653440

素因数分解:

$2^7\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1861}}^1$

素因数の和:1941

約数の個数: 64

約数和(自身を含む): 176629320

約数和(自身を除く): 103975880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 128, 160, 244, 305, 320, 488, 610, 640, 976, 1220, 1861, 1952, 2440, 3722, 3904, 4880, 7444, 7808, 9305, 9760, 14888, 18610, 19520, 29776, 37220, 39040, 59552, 74440, 113521, 119104, 148880, 227042, 238208, 297760, 454084, 567605, 595520, 908168, 1135210, 1191040, 1816336, 2270420, 3632672, 4540840, 7265344, 9081680, 14530688, 18163360, 36326720, 72653440]

約数ペア:

[(1, 72653440), (2, 36326720), (4, 18163360), (5, 14530688), (8, 9081680), (10, 7265344), (16, 4540840), (20, 3632672), (32, 2270420), (40, 1816336), (61, 1191040), (64, 1135210), (80, 908168), (122, 595520), (128, 567605), (160, 454084), (244, 297760), (305, 238208), (320, 227042), (488, 148880), (610, 119104), (640, 113521), (976, 74440), (1220, 59552), (1861, 39040), (1952, 37220), (2440, 29776), (3722, 19520), (3904, 18610), (4880, 14888), (7444, 9760), (7808, 9305)]