90913280

素因数分解:

$2^9\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2089}}^1$

素因数の和:2129

約数の個数: 80

約数和(自身を含む): 230911560

約数和(自身を除く): 139998280

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 256, 272, 320, 340, 512, 544, 640, 680, 1088, 1280, 1360, 2089, 2176, 2560, 2720, 4178, 4352, 5440, 8356, 8704, 10445, 10880, 16712, 20890, 21760, 33424, 35513, 41780, 43520, 66848, 71026, 83560, 133696, 142052, 167120, 177565, 267392, 284104, 334240, 355130, 534784, 568208, 668480, 710260, 1069568, 1136416, 1336960, 1420520, 2272832, 2673920, 2841040, 4545664, 5347840, 5682080, 9091328, 11364160, 18182656, 22728320, 45456640, 90913280]

約数ペア:

[(1, 90913280), (2, 45456640), (4, 22728320), (5, 18182656), (8, 11364160), (10, 9091328), (16, 5682080), (17, 5347840), (20, 4545664), (32, 2841040), (34, 2673920), (40, 2272832), (64, 1420520), (68, 1336960), (80, 1136416), (85, 1069568), (128, 710260), (136, 668480), (160, 568208), (170, 534784), (256, 355130), (272, 334240), (320, 284104), (340, 267392), (512, 177565), (544, 167120), (640, 142052), (680, 133696), (1088, 83560), (1280, 71026), (1360, 66848), (2089, 43520), (2176, 41780), (2560, 35513), (2720, 33424), (4178, 21760), (4352, 20890), (5440, 16712), (8356, 10880), (8704, 10445)]