128906240

素因数分解:

$2^{10}\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1481}}^1$

素因数の和:1523

約数の個数: 88

約数和(自身を含む): 327634632

約数和(自身を除く): 198728392

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 256, 272, 320, 340, 512, 544, 640, 680, 1024, 1088, 1280, 1360, 1481, 2176, 2560, 2720, 2962, 4352, 5120, 5440, 5924, 7405, 8704, 10880, 11848, 14810, 17408, 21760, 23696, 25177, 29620, 43520, 47392, 50354, 59240, 87040, 94784, 100708, 118480, 125885, 189568, 201416, 236960, 251770, 379136, 402832, 473920, 503540, 758272, 805664, 947840, 1007080, 1516544, 1611328, 1895680, 2014160, 3222656, 3791360, 4028320, 6445312, 7582720, 8056640, 12890624, 16113280, 25781248, 32226560, 64453120, 128906240]

約数ペア:

[(1, 128906240), (2, 64453120), (4, 32226560), (5, 25781248), (8, 16113280), (10, 12890624), (16, 8056640), (17, 7582720), (20, 6445312), (32, 4028320), (34, 3791360), (40, 3222656), (64, 2014160), (68, 1895680), (80, 1611328), (85, 1516544), (128, 1007080), (136, 947840), (160, 805664), (170, 758272), (256, 503540), (272, 473920), (320, 402832), (340, 379136), (512, 251770), (544, 236960), (640, 201416), (680, 189568), (1024, 125885), (1088, 118480), (1280, 100708), (1360, 94784), (1481, 87040), (2176, 59240), (2560, 50354), (2720, 47392), (2962, 43520), (4352, 29620), (5120, 25177), (5440, 23696), (5924, 21760), (7405, 17408), (8704, 14810), (10880, 11848)]