201718440080

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{409}}^1\times {\mathrm{268043}}^1$

素因数の和:268488

約数の個数: 80

約数和(自身を含む): 490584850560

約数和(自身を除く): 288866410480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 409, 460, 818, 920, 1636, 1840, 2045, 3272, 4090, 6544, 8180, 9407, 16360, 18814, 32720, 37628, 47035, 75256, 94070, 150512, 188140, 268043, 376280, 536086, 752560, 1072172, 1340215, 2144344, 2680430, 4288688, 5360860, 6164989, 10721720, 12329978, 21443440, 24659956, 30824945, 49319912, 61649890, 98639824, 109629587, 123299780, 219259174, 246599560, 438518348, 493199120, 548147935, 877036696, 1096295870, 1754073392, 2192591740, 2521480501, 4385183480, 5042961002, 8770366960, 10085922004, 12607402505, 20171844008, 25214805010, 40343688016, 50429610020, 100859220040, 201718440080]

約数ペア:

[(1, 201718440080), (2, 100859220040), (4, 50429610020), (5, 40343688016), (8, 25214805010), (10, 20171844008), (16, 12607402505), (20, 10085922004), (23, 8770366960), (40, 5042961002), (46, 4385183480), (80, 2521480501), (92, 2192591740), (115, 1754073392), (184, 1096295870), (230, 877036696), (368, 548147935), (409, 493199120), (460, 438518348), (818, 246599560), (920, 219259174), (1636, 123299780), (1840, 109629587), (2045, 98639824), (3272, 61649890), (4090, 49319912), (6544, 30824945), (8180, 24659956), (9407, 21443440), (16360, 12329978), (18814, 10721720), (32720, 6164989), (37628, 5360860), (47035, 4288688), (75256, 2680430), (94070, 2144344), (150512, 1340215), (188140, 1072172), (268043, 752560), (376280, 536086)]