198018960

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{1237}}^1$

素因数の和:1305

約数の個数: 160

約数和(自身を含む): 663171840

約数和(自身を除く): 465152880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 29, 30, 40, 46, 48, 58, 60, 69, 80, 87, 92, 115, 116, 120, 138, 145, 174, 184, 230, 232, 240, 276, 290, 345, 348, 368, 435, 460, 464, 552, 580, 667, 690, 696, 870, 920, 1104, 1160, 1237, 1334, 1380, 1392, 1740, 1840, 2001, 2320, 2474, 2668, 2760, 3335, 3480, 3711, 4002, 4948, 5336, 5520, 6185, 6670, 6960, 7422, 8004, 9896, 10005, 10672, 12370, 13340, 14844, 16008, 18555, 19792, 20010, 24740, 26680, 28451, 29688, 32016, 35873, 37110, 40020, 49480, 53360, 56902, 59376, 71746, 74220, 80040, 85353, 98960, 107619, 113804, 142255, 143492, 148440, 160080, 170706, 179365, 215238, 227608, 284510, 286984, 296880, 341412, 358730, 426765, 430476, 455216, 538095, 569020, 573968, 682824, 717460, 825079, 853530, 860952, 1076190, 1138040, 1365648, 1434920, 1650158, 1707060, 1721904, 2152380, 2276080, 2475237, 2869840, 3300316, 3414120, 4125395, 4304760, 4950474, 6600632, 6828240, 8250790, 8609520, 9900948, 12376185, 13201264, 16501580, 19801896, 24752370, 33003160, 39603792, 49504740, 66006320, 99009480, 198018960]

約数ペア:

[(1, 198018960), (2, 99009480), (3, 66006320), (4, 49504740), (5, 39603792), (6, 33003160), (8, 24752370), (10, 19801896), (12, 16501580), (15, 13201264), (16, 12376185), (20, 9900948), (23, 8609520), (24, 8250790), (29, 6828240), (30, 6600632), (40, 4950474), (46, 4304760), (48, 4125395), (58, 3414120), (60, 3300316), (69, 2869840), (80, 2475237), (87, 2276080), (92, 2152380), (115, 1721904), (116, 1707060), (120, 1650158), (138, 1434920), (145, 1365648), (174, 1138040), (184, 1076190), (230, 860952), (232, 853530), (240, 825079), (276, 717460), (290, 682824), (345, 573968), (348, 569020), (368, 538095), (435, 455216), (460, 430476), (464, 426765), (552, 358730), (580, 341412), (667, 296880), (690, 286984), (696, 284510), (870, 227608), (920, 215238), (1104, 179365), (1160, 170706), (1237, 160080), (1334, 148440), (1380, 143492), (1392, 142255), (1740, 113804), (1840, 107619), (2001, 98960), (2320, 85353), (2474, 80040), (2668, 74220), (2760, 71746), (3335, 59376), (3480, 56902), (3711, 53360), (4002, 49480), (4948, 40020), (5336, 37110), (5520, 35873), (6185, 32016), (6670, 29688), (6960, 28451), (7422, 26680), (8004, 24740), (9896, 20010), (10005, 19792), (10672, 18555), (12370, 16008), (13340, 14844)]