201220160

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{787}}^1$

素因数の和:868

約数の個数: 112

約数和(自身を含む): 518793984

約数和(自身を除く): 317573824

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 47, 64, 68, 80, 85, 94, 136, 160, 170, 188, 235, 272, 320, 340, 376, 470, 544, 680, 752, 787, 799, 940, 1088, 1360, 1504, 1574, 1598, 1880, 2720, 3008, 3148, 3196, 3760, 3935, 3995, 5440, 6296, 6392, 7520, 7870, 7990, 12592, 12784, 13379, 15040, 15740, 15980, 25184, 25568, 26758, 31480, 31960, 36989, 50368, 51136, 53516, 62960, 63920, 66895, 73978, 107032, 125920, 127840, 133790, 147956, 184945, 214064, 251840, 255680, 267580, 295912, 369890, 428128, 535160, 591824, 628813, 739780, 856256, 1070320, 1183648, 1257626, 1479560, 2140640, 2367296, 2515252, 2959120, 3144065, 4281280, 5030504, 5918240, 6288130, 10061008, 11836480, 12576260, 20122016, 25152520, 40244032, 50305040, 100610080, 201220160]

約数ペア:

[(1, 201220160), (2, 100610080), (4, 50305040), (5, 40244032), (8, 25152520), (10, 20122016), (16, 12576260), (17, 11836480), (20, 10061008), (32, 6288130), (34, 5918240), (40, 5030504), (47, 4281280), (64, 3144065), (68, 2959120), (80, 2515252), (85, 2367296), (94, 2140640), (136, 1479560), (160, 1257626), (170, 1183648), (188, 1070320), (235, 856256), (272, 739780), (320, 628813), (340, 591824), (376, 535160), (470, 428128), (544, 369890), (680, 295912), (752, 267580), (787, 255680), (799, 251840), (940, 214064), (1088, 184945), (1360, 147956), (1504, 133790), (1574, 127840), (1598, 125920), (1880, 107032), (2720, 73978), (3008, 66895), (3148, 63920), (3196, 62960), (3760, 53516), (3935, 51136), (3995, 50368), (5440, 36989), (6296, 31960), (6392, 31480), (7520, 26758), (7870, 25568), (7990, 25184), (12592, 15980), (12784, 15740), (13379, 15040)]