142389320

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1$

素因数の和:207

約数の個数: 128

約数和(自身を含む): 354585600

約数和(自身を除く): 212196280

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 37, 40, 46, 47, 74, 89, 92, 94, 115, 148, 178, 184, 185, 188, 230, 235, 296, 356, 370, 376, 445, 460, 470, 712, 740, 851, 890, 920, 940, 1081, 1480, 1702, 1739, 1780, 1880, 2047, 2162, 3293, 3404, 3478, 3560, 4094, 4183, 4255, 4324, 5405, 6586, 6808, 6956, 8188, 8366, 8510, 8648, 8695, 10235, 10810, 13172, 13912, 16376, 16465, 16732, 17020, 17390, 20470, 20915, 21620, 26344, 32930, 33464, 34040, 34780, 39997, 40940, 41830, 43240, 65860, 69560, 75739, 79994, 81880, 83660, 96209, 131720, 151478, 154771, 159988, 167320, 192418, 199985, 302956, 309542, 319976, 378695, 384836, 399970, 481045, 605912, 619084, 757390, 769672, 773855, 799940, 962090, 1238168, 1514780, 1547710, 1599880, 1924180, 3029560, 3095420, 3559733, 3848360, 6190840, 7119466, 14238932, 17798665, 28477864, 35597330, 71194660, 142389320]

約数ペア:

[(1, 142389320), (2, 71194660), (4, 35597330), (5, 28477864), (8, 17798665), (10, 14238932), (20, 7119466), (23, 6190840), (37, 3848360), (40, 3559733), (46, 3095420), (47, 3029560), (74, 1924180), (89, 1599880), (92, 1547710), (94, 1514780), (115, 1238168), (148, 962090), (178, 799940), (184, 773855), (185, 769672), (188, 757390), (230, 619084), (235, 605912), (296, 481045), (356, 399970), (370, 384836), (376, 378695), (445, 319976), (460, 309542), (470, 302956), (712, 199985), (740, 192418), (851, 167320), (890, 159988), (920, 154771), (940, 151478), (1081, 131720), (1480, 96209), (1702, 83660), (1739, 81880), (1780, 79994), (1880, 75739), (2047, 69560), (2162, 65860), (3293, 43240), (3404, 41830), (3478, 40940), (3560, 39997), (4094, 34780), (4183, 34040), (4255, 33464), (4324, 32930), (5405, 26344), (6586, 21620), (6808, 20915), (6956, 20470), (8188, 17390), (8366, 17020), (8510, 16732), (8648, 16465), (8695, 16376), (10235, 13912), (10810, 13172)]