161576960

素因数分解:

$2^{11}\times 5^1\times {\mathrm{31}}^1\times {\mathrm{509}}^1$

素因数の和:567

約数の個数: 96

約数和(自身を含む): 400982400

約数和(自身を除く): 239405440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 509, 512, 620, 640, 992, 1018, 1024, 1240, 1280, 1984, 2036, 2048, 2480, 2545, 2560, 3968, 4072, 4960, 5090, 5120, 7936, 8144, 9920, 10180, 10240, 15779, 15872, 16288, 19840, 20360, 31558, 31744, 32576, 39680, 40720, 63116, 63488, 65152, 78895, 79360, 81440, 126232, 130304, 157790, 158720, 162880, 252464, 260608, 315580, 317440, 325760, 504928, 521216, 631160, 651520, 1009856, 1042432, 1262320, 1303040, 2019712, 2524640, 2606080, 4039424, 5049280, 5212160, 8078848, 10098560, 16157696, 20197120, 32315392, 40394240, 80788480, 161576960]

約数ペア:

[(1, 161576960), (2, 80788480), (4, 40394240), (5, 32315392), (8, 20197120), (10, 16157696), (16, 10098560), (20, 8078848), (31, 5212160), (32, 5049280), (40, 4039424), (62, 2606080), (64, 2524640), (80, 2019712), (124, 1303040), (128, 1262320), (155, 1042432), (160, 1009856), (248, 651520), (256, 631160), (310, 521216), (320, 504928), (496, 325760), (509, 317440), (512, 315580), (620, 260608), (640, 252464), (992, 162880), (1018, 158720), (1024, 157790), (1240, 130304), (1280, 126232), (1984, 81440), (2036, 79360), (2048, 78895), (2480, 65152), (2545, 63488), (2560, 63116), (3968, 40720), (4072, 39680), (4960, 32576), (5090, 31744), (5120, 31558), (7936, 20360), (8144, 19840), (9920, 16288), (10180, 15872), (10240, 15779)]