66404680

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{811}}^1$

素因数の和:934

約数の個数: 64

約数和(自身を含む): 157852800

約数和(自身を除く): 91448120

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 89, 92, 115, 178, 184, 230, 356, 445, 460, 712, 811, 890, 920, 1622, 1780, 2047, 3244, 3560, 4055, 4094, 6488, 8110, 8188, 10235, 16220, 16376, 18653, 20470, 32440, 37306, 40940, 72179, 74612, 81880, 93265, 144358, 149224, 186530, 288716, 360895, 373060, 577432, 721790, 746120, 1443580, 1660117, 2887160, 3320234, 6640468, 8300585, 13280936, 16601170, 33202340, 66404680]

約数ペア:

[(1, 66404680), (2, 33202340), (4, 16601170), (5, 13280936), (8, 8300585), (10, 6640468), (20, 3320234), (23, 2887160), (40, 1660117), (46, 1443580), (89, 746120), (92, 721790), (115, 577432), (178, 373060), (184, 360895), (230, 288716), (356, 186530), (445, 149224), (460, 144358), (712, 93265), (811, 81880), (890, 74612), (920, 72179), (1622, 40940), (1780, 37306), (2047, 32440), (3244, 20470), (3560, 18653), (4055, 16376), (4094, 16220), (6488, 10235), (8110, 8188)]