17996800

素因数分解:

$2^{10}\times 5^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1$

素因数の和:86

約数の個数: 132

約数和(自身を含む): 48227320

約数和(自身を除く): 30230520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 32, 37, 38, 40, 50, 64, 74, 76, 80, 95, 100, 128, 148, 152, 160, 185, 190, 200, 256, 296, 304, 320, 370, 380, 400, 475, 512, 592, 608, 640, 703, 740, 760, 800, 925, 950, 1024, 1184, 1216, 1280, 1406, 1480, 1520, 1600, 1850, 1900, 2368, 2432, 2560, 2812, 2960, 3040, 3200, 3515, 3700, 3800, 4736, 4864, 5120, 5624, 5920, 6080, 6400, 7030, 7400, 7600, 9472, 9728, 11248, 11840, 12160, 12800, 14060, 14800, 15200, 17575, 18944, 19456, 22496, 23680, 24320, 25600, 28120, 29600, 30400, 35150, 37888, 44992, 47360, 48640, 56240, 59200, 60800, 70300, 89984, 94720, 97280, 112480, 118400, 121600, 140600, 179968, 189440, 224960, 236800, 243200, 281200, 359936, 449920, 473600, 486400, 562400, 719872, 899840, 947200, 1124800, 1799680, 2249600, 3599360, 4499200, 8998400, 17996800]

約数ペア:

[(1, 17996800), (2, 8998400), (4, 4499200), (5, 3599360), (8, 2249600), (10, 1799680), (16, 1124800), (19, 947200), (20, 899840), (25, 719872), (32, 562400), (37, 486400), (38, 473600), (40, 449920), (50, 359936), (64, 281200), (74, 243200), (76, 236800), (80, 224960), (95, 189440), (100, 179968), (128, 140600), (148, 121600), (152, 118400), (160, 112480), (185, 97280), (190, 94720), (200, 89984), (256, 70300), (296, 60800), (304, 59200), (320, 56240), (370, 48640), (380, 47360), (400, 44992), (475, 37888), (512, 35150), (592, 30400), (608, 29600), (640, 28120), (703, 25600), (740, 24320), (760, 23680), (800, 22496), (925, 19456), (950, 18944), (1024, 17575), (1184, 15200), (1216, 14800), (1280, 14060), (1406, 12800), (1480, 12160), (1520, 11840), (1600, 11248), (1850, 9728), (1900, 9472), (2368, 7600), (2432, 7400), (2560, 7030), (2812, 6400), (2960, 6080), (3040, 5920), (3200, 5624), (3515, 5120), (3700, 4864), (3800, 4736)]