163945120

素因数分解:

$2^5\times 5^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{397}}^1$

素因数の和:530

約数の個数: 96

約数和(自身を含む): 406198800

約数和(自身を除く): 242253680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 80, 89, 116, 145, 160, 178, 232, 290, 356, 397, 445, 464, 580, 712, 794, 890, 928, 1160, 1424, 1588, 1780, 1985, 2320, 2581, 2848, 3176, 3560, 3970, 4640, 5162, 6352, 7120, 7940, 10324, 11513, 12704, 12905, 14240, 15880, 20648, 23026, 25810, 31760, 35333, 41296, 46052, 51620, 57565, 63520, 70666, 82592, 92104, 103240, 115130, 141332, 176665, 184208, 206480, 230260, 282664, 353330, 368416, 412960, 460520, 565328, 706660, 921040, 1024657, 1130656, 1413320, 1842080, 2049314, 2826640, 4098628, 5123285, 5653280, 8197256, 10246570, 16394512, 20493140, 32789024, 40986280, 81972560, 163945120]

約数ペア:

[(1, 163945120), (2, 81972560), (4, 40986280), (5, 32789024), (8, 20493140), (10, 16394512), (16, 10246570), (20, 8197256), (29, 5653280), (32, 5123285), (40, 4098628), (58, 2826640), (80, 2049314), (89, 1842080), (116, 1413320), (145, 1130656), (160, 1024657), (178, 921040), (232, 706660), (290, 565328), (356, 460520), (397, 412960), (445, 368416), (464, 353330), (580, 282664), (712, 230260), (794, 206480), (890, 184208), (928, 176665), (1160, 141332), (1424, 115130), (1588, 103240), (1780, 92104), (1985, 82592), (2320, 70666), (2581, 63520), (2848, 57565), (3176, 51620), (3560, 46052), (3970, 41296), (4640, 35333), (5162, 31760), (6352, 25810), (7120, 23026), (7940, 20648), (10324, 15880), (11513, 14240), (12704, 12905)]