31463940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{283}}^1$

素因数の和:421

約数の個数: 96

約数和(自身を含む): 94469760

約数和(自身を除く): 63005820

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 109, 170, 204, 218, 255, 283, 327, 340, 436, 510, 545, 566, 654, 849, 1020, 1090, 1132, 1308, 1415, 1635, 1698, 1853, 2180, 2830, 3270, 3396, 3706, 4245, 4811, 5559, 5660, 6540, 7412, 8490, 9265, 9622, 11118, 14433, 16980, 18530, 19244, 22236, 24055, 27795, 28866, 30847, 37060, 48110, 55590, 57732, 61694, 72165, 92541, 96220, 111180, 123388, 144330, 154235, 185082, 288660, 308470, 370164, 462705, 524399, 616940, 925410, 1048798, 1573197, 1850820, 2097596, 2621995, 3146394, 5243990, 6292788, 7865985, 10487980, 15731970, 31463940]

約数ペア:

[(1, 31463940), (2, 15731970), (3, 10487980), (4, 7865985), (5, 6292788), (6, 5243990), (10, 3146394), (12, 2621995), (15, 2097596), (17, 1850820), (20, 1573197), (30, 1048798), (34, 925410), (51, 616940), (60, 524399), (68, 462705), (85, 370164), (102, 308470), (109, 288660), (170, 185082), (204, 154235), (218, 144330), (255, 123388), (283, 111180), (327, 96220), (340, 92541), (436, 72165), (510, 61694), (545, 57732), (566, 55590), (654, 48110), (849, 37060), (1020, 30847), (1090, 28866), (1132, 27795), (1308, 24055), (1415, 22236), (1635, 19244), (1698, 18530), (1853, 16980), (2180, 14433), (2830, 11118), (3270, 9622), (3396, 9265), (3706, 8490), (4245, 7412), (4811, 6540), (5559, 5660)]