189382720

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1123}}^1$

素因数の和:1188

約数の個数: 112

約数和(自身を含む): 493337088

約数和(自身を除く): 303954368

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 32, 34, 40, 62, 64, 68, 80, 85, 124, 136, 155, 160, 170, 248, 272, 310, 320, 340, 496, 527, 544, 620, 680, 992, 1054, 1088, 1123, 1240, 1360, 1984, 2108, 2246, 2480, 2635, 2720, 4216, 4492, 4960, 5270, 5440, 5615, 8432, 8984, 9920, 10540, 11230, 16864, 17968, 19091, 21080, 22460, 33728, 34813, 35936, 38182, 42160, 44920, 69626, 71872, 76364, 84320, 89840, 95455, 139252, 152728, 168640, 174065, 179680, 190910, 278504, 305456, 348130, 359360, 381820, 557008, 591821, 610912, 696260, 763640, 1114016, 1183642, 1221824, 1392520, 1527280, 2228032, 2367284, 2785040, 2959105, 3054560, 4734568, 5570080, 5918210, 6109120, 9469136, 11140160, 11836420, 18938272, 23672840, 37876544, 47345680, 94691360, 189382720]

約数ペア:

[(1, 189382720), (2, 94691360), (4, 47345680), (5, 37876544), (8, 23672840), (10, 18938272), (16, 11836420), (17, 11140160), (20, 9469136), (31, 6109120), (32, 5918210), (34, 5570080), (40, 4734568), (62, 3054560), (64, 2959105), (68, 2785040), (80, 2367284), (85, 2228032), (124, 1527280), (136, 1392520), (155, 1221824), (160, 1183642), (170, 1114016), (248, 763640), (272, 696260), (310, 610912), (320, 591821), (340, 557008), (496, 381820), (527, 359360), (544, 348130), (620, 305456), (680, 278504), (992, 190910), (1054, 179680), (1088, 174065), (1123, 168640), (1240, 152728), (1360, 139252), (1984, 95455), (2108, 89840), (2246, 84320), (2480, 76364), (2635, 71872), (2720, 69626), (4216, 44920), (4492, 42160), (4960, 38182), (5270, 35936), (5440, 34813), (5615, 33728), (8432, 22460), (8984, 21080), (9920, 19091), (10540, 17968), (11230, 16864)]