61841240

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{457}}^1$

素因数の和:684

約数の個数: 64

約数和(自身を含む): 148392000

約数和(自身を除く): 86550760

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 199, 340, 398, 457, 680, 796, 914, 995, 1592, 1828, 1990, 2285, 3383, 3656, 3980, 4570, 6766, 7769, 7960, 9140, 13532, 15538, 16915, 18280, 27064, 31076, 33830, 38845, 62152, 67660, 77690, 90943, 135320, 155380, 181886, 310760, 363772, 454715, 727544, 909430, 1546031, 1818860, 3092062, 3637720, 6184124, 7730155, 12368248, 15460310, 30920620, 61841240]

約数ペア:

[(1, 61841240), (2, 30920620), (4, 15460310), (5, 12368248), (8, 7730155), (10, 6184124), (17, 3637720), (20, 3092062), (34, 1818860), (40, 1546031), (68, 909430), (85, 727544), (136, 454715), (170, 363772), (199, 310760), (340, 181886), (398, 155380), (457, 135320), (680, 90943), (796, 77690), (914, 67660), (995, 62152), (1592, 38845), (1828, 33830), (1990, 31076), (2285, 27064), (3383, 18280), (3656, 16915), (3980, 15538), (4570, 13532), (6766, 9140), (7769, 7960)]