15717760

素因数分解:

$2^7\times 5^1\times {\mathrm{41}}^1\times {\mathrm{599}}^1$

素因数の和:659

約数の個数: 64

約数和(自身を含む): 38556000

約数和(自身を除く): 22838240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 128, 160, 164, 205, 320, 328, 410, 599, 640, 656, 820, 1198, 1312, 1640, 2396, 2624, 2995, 3280, 4792, 5248, 5990, 6560, 9584, 11980, 13120, 19168, 23960, 24559, 26240, 38336, 47920, 49118, 76672, 95840, 98236, 122795, 191680, 196472, 245590, 383360, 392944, 491180, 785888, 982360, 1571776, 1964720, 3143552, 3929440, 7858880, 15717760]

約数ペア:

[(1, 15717760), (2, 7858880), (4, 3929440), (5, 3143552), (8, 1964720), (10, 1571776), (16, 982360), (20, 785888), (32, 491180), (40, 392944), (41, 383360), (64, 245590), (80, 196472), (82, 191680), (128, 122795), (160, 98236), (164, 95840), (205, 76672), (320, 49118), (328, 47920), (410, 38336), (599, 26240), (640, 24559), (656, 23960), (820, 19168), (1198, 13120), (1312, 11980), (1640, 9584), (2396, 6560), (2624, 5990), (2995, 5248), (3280, 4792)]