30500720

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{547}}^1$

素因数の和:618

約数の個数: 80

約数和(自身を含む): 77057568

約数和(自身を除く): 46556848

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 41, 68, 80, 82, 85, 136, 164, 170, 205, 272, 328, 340, 410, 547, 656, 680, 697, 820, 1094, 1360, 1394, 1640, 2188, 2735, 2788, 3280, 3485, 4376, 5470, 5576, 6970, 8752, 9299, 10940, 11152, 13940, 18598, 21880, 22427, 27880, 37196, 43760, 44854, 46495, 55760, 74392, 89708, 92990, 112135, 148784, 179416, 185980, 224270, 358832, 371960, 381259, 448540, 743920, 762518, 897080, 1525036, 1794160, 1906295, 3050072, 3812590, 6100144, 7625180, 15250360, 30500720]

約数ペア:

[(1, 30500720), (2, 15250360), (4, 7625180), (5, 6100144), (8, 3812590), (10, 3050072), (16, 1906295), (17, 1794160), (20, 1525036), (34, 897080), (40, 762518), (41, 743920), (68, 448540), (80, 381259), (82, 371960), (85, 358832), (136, 224270), (164, 185980), (170, 179416), (205, 148784), (272, 112135), (328, 92990), (340, 89708), (410, 74392), (547, 55760), (656, 46495), (680, 44854), (697, 43760), (820, 37196), (1094, 27880), (1360, 22427), (1394, 21880), (1640, 18598), (2188, 13940), (2735, 11152), (2788, 10940), (3280, 9299), (3485, 8752), (4376, 6970), (5470, 5576)]