18172590640

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{132299}}^1$

素因数の和:132430

約数の個数: 80

約数和(自身を含む): 45179920800

約数和(自身を除く): 27007330160

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 101, 136, 170, 202, 272, 340, 404, 505, 680, 808, 1010, 1360, 1616, 1717, 2020, 3434, 4040, 6868, 8080, 8585, 13736, 17170, 27472, 34340, 68680, 132299, 137360, 264598, 529196, 661495, 1058392, 1322990, 2116784, 2249083, 2645980, 4498166, 5291960, 8996332, 10583920, 11245415, 13362199, 17992664, 22490830, 26724398, 35985328, 44981660, 53448796, 66810995, 89963320, 106897592, 133621990, 179926640, 213795184, 227157383, 267243980, 454314766, 534487960, 908629532, 1068975920, 1135786915, 1817259064, 2271573830, 3634518128, 4543147660, 9086295320, 18172590640]

約数ペア:

[(1, 18172590640), (2, 9086295320), (4, 4543147660), (5, 3634518128), (8, 2271573830), (10, 1817259064), (16, 1135786915), (17, 1068975920), (20, 908629532), (34, 534487960), (40, 454314766), (68, 267243980), (80, 227157383), (85, 213795184), (101, 179926640), (136, 133621990), (170, 106897592), (202, 89963320), (272, 66810995), (340, 53448796), (404, 44981660), (505, 35985328), (680, 26724398), (808, 22490830), (1010, 17992664), (1360, 13362199), (1616, 11245415), (1717, 10583920), (2020, 8996332), (3434, 5291960), (4040, 4498166), (6868, 2645980), (8080, 2249083), (8585, 2116784), (13736, 1322990), (17170, 1058392), (27472, 661495), (34340, 529196), (68680, 264598), (132299, 137360)]