1784320

素因数分解:

$2^9\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1$

素因数の和:81

約数の個数: 80

約数和(自身を含む): 4640328

約数和(自身を除く): 2856008

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 41, 64, 68, 80, 82, 85, 128, 136, 160, 164, 170, 205, 256, 272, 320, 328, 340, 410, 512, 544, 640, 656, 680, 697, 820, 1088, 1280, 1312, 1360, 1394, 1640, 2176, 2560, 2624, 2720, 2788, 3280, 3485, 4352, 5248, 5440, 5576, 6560, 6970, 8704, 10496, 10880, 11152, 13120, 13940, 20992, 21760, 22304, 26240, 27880, 43520, 44608, 52480, 55760, 89216, 104960, 111520, 178432, 223040, 356864, 446080, 892160, 1784320]

約数ペア:

[(1, 1784320), (2, 892160), (4, 446080), (5, 356864), (8, 223040), (10, 178432), (16, 111520), (17, 104960), (20, 89216), (32, 55760), (34, 52480), (40, 44608), (41, 43520), (64, 27880), (68, 26240), (80, 22304), (82, 21760), (85, 20992), (128, 13940), (136, 13120), (160, 11152), (164, 10880), (170, 10496), (205, 8704), (256, 6970), (272, 6560), (320, 5576), (328, 5440), (340, 5248), (410, 4352), (512, 3485), (544, 3280), (640, 2788), (656, 2720), (680, 2624), (697, 2560), (820, 2176), (1088, 1640), (1280, 1394), (1312, 1360)]