71883520

素因数分解:

$2^8\times 5^1\times {\mathrm{89}}^1\times {\mathrm{631}}^1$

素因数の和:741

約数の個数: 72

約数和(自身を含む): 174394080

約数和(自身を除く): 102510560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 89, 128, 160, 178, 256, 320, 356, 445, 631, 640, 712, 890, 1262, 1280, 1424, 1780, 2524, 2848, 3155, 3560, 5048, 5696, 6310, 7120, 10096, 11392, 12620, 14240, 20192, 22784, 25240, 28480, 40384, 50480, 56159, 56960, 80768, 100960, 112318, 113920, 161536, 201920, 224636, 280795, 403840, 449272, 561590, 807680, 898544, 1123180, 1797088, 2246360, 3594176, 4492720, 7188352, 8985440, 14376704, 17970880, 35941760, 71883520]

約数ペア:

[(1, 71883520), (2, 35941760), (4, 17970880), (5, 14376704), (8, 8985440), (10, 7188352), (16, 4492720), (20, 3594176), (32, 2246360), (40, 1797088), (64, 1123180), (80, 898544), (89, 807680), (128, 561590), (160, 449272), (178, 403840), (256, 280795), (320, 224636), (356, 201920), (445, 161536), (631, 113920), (640, 112318), (712, 100960), (890, 80768), (1262, 56960), (1280, 56159), (1424, 50480), (1780, 40384), (2524, 28480), (2848, 25240), (3155, 22784), (3560, 20192), (5048, 14240), (5696, 12620), (6310, 11392), (7120, 10096)]