31238480

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{613}}^1$

素因数の和:653

約数の個数: 120

約数和(自身を含む): 91134792

約数和(自身を除く): 59896312

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 49, 52, 56, 65, 70, 80, 91, 98, 104, 112, 130, 140, 182, 196, 208, 245, 260, 280, 364, 392, 455, 490, 520, 560, 613, 637, 728, 784, 910, 980, 1040, 1226, 1274, 1456, 1820, 1960, 2452, 2548, 3065, 3185, 3640, 3920, 4291, 4904, 5096, 6130, 6370, 7280, 7969, 8582, 9808, 10192, 12260, 12740, 15938, 17164, 21455, 24520, 25480, 30037, 31876, 34328, 39845, 42910, 49040, 50960, 55783, 60074, 63752, 68656, 79690, 85820, 111566, 120148, 127504, 150185, 159380, 171640, 223132, 240296, 278915, 300370, 318760, 343280, 390481, 446264, 480592, 557830, 600740, 637520, 780962, 892528, 1115660, 1201480, 1561924, 1952405, 2231320, 2402960, 3123848, 3904810, 4462640, 6247696, 7809620, 15619240, 31238480]

約数ペア:

[(1, 31238480), (2, 15619240), (4, 7809620), (5, 6247696), (7, 4462640), (8, 3904810), (10, 3123848), (13, 2402960), (14, 2231320), (16, 1952405), (20, 1561924), (26, 1201480), (28, 1115660), (35, 892528), (40, 780962), (49, 637520), (52, 600740), (56, 557830), (65, 480592), (70, 446264), (80, 390481), (91, 343280), (98, 318760), (104, 300370), (112, 278915), (130, 240296), (140, 223132), (182, 171640), (196, 159380), (208, 150185), (245, 127504), (260, 120148), (280, 111566), (364, 85820), (392, 79690), (455, 68656), (490, 63752), (520, 60074), (560, 55783), (613, 50960), (637, 49040), (728, 42910), (784, 39845), (910, 34328), (980, 31876), (1040, 30037), (1226, 25480), (1274, 24520), (1456, 21455), (1820, 17164), (1960, 15938), (2452, 12740), (2548, 12260), (3065, 10192), (3185, 9808), (3640, 8582), (3920, 7969), (4291, 7280), (4904, 6370), (5096, 6130)]