233991680

素因数分解:

$2^9\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:204

約数の個数: 160

約数和(自身を含む): 618710400

約数和(自身を除く): 384718720

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 79, 80, 89, 104, 128, 130, 158, 160, 178, 208, 256, 260, 316, 320, 356, 395, 416, 445, 512, 520, 632, 640, 712, 790, 832, 890, 1027, 1040, 1157, 1264, 1280, 1424, 1580, 1664, 1780, 2054, 2080, 2314, 2528, 2560, 2848, 3160, 3328, 3560, 4108, 4160, 4628, 5056, 5135, 5696, 5785, 6320, 6656, 7031, 7120, 8216, 8320, 9256, 10112, 10270, 11392, 11570, 12640, 14062, 14240, 16432, 16640, 18512, 20224, 20540, 22784, 23140, 25280, 28124, 28480, 32864, 33280, 35155, 37024, 40448, 41080, 45568, 46280, 50560, 56248, 56960, 65728, 70310, 74048, 82160, 91403, 92560, 101120, 112496, 113920, 131456, 140620, 148096, 164320, 182806, 185120, 202240, 224992, 227840, 262912, 281240, 296192, 328640, 365612, 370240, 449984, 457015, 525824, 562480, 592384, 657280, 731224, 740480, 899968, 914030, 1124960, 1314560, 1462448, 1480960, 1799936, 1828060, 2249920, 2629120, 2924896, 2961920, 3599872, 3656120, 4499840, 5849792, 7312240, 8999680, 11699584, 14624480, 17999360, 23399168, 29248960, 46798336, 58497920, 116995840, 233991680]

約数ペア:

[(1, 233991680), (2, 116995840), (4, 58497920), (5, 46798336), (8, 29248960), (10, 23399168), (13, 17999360), (16, 14624480), (20, 11699584), (26, 8999680), (32, 7312240), (40, 5849792), (52, 4499840), (64, 3656120), (65, 3599872), (79, 2961920), (80, 2924896), (89, 2629120), (104, 2249920), (128, 1828060), (130, 1799936), (158, 1480960), (160, 1462448), (178, 1314560), (208, 1124960), (256, 914030), (260, 899968), (316, 740480), (320, 731224), (356, 657280), (395, 592384), (416, 562480), (445, 525824), (512, 457015), (520, 449984), (632, 370240), (640, 365612), (712, 328640), (790, 296192), (832, 281240), (890, 262912), (1027, 227840), (1040, 224992), (1157, 202240), (1264, 185120), (1280, 182806), (1424, 164320), (1580, 148096), (1664, 140620), (1780, 131456), (2054, 113920), (2080, 112496), (2314, 101120), (2528, 92560), (2560, 91403), (2848, 82160), (3160, 74048), (3328, 70310), (3560, 65728), (4108, 56960), (4160, 56248), (4628, 50560), (5056, 46280), (5135, 45568), (5696, 41080), (5785, 40448), (6320, 37024), (6656, 35155), (7031, 33280), (7120, 32864), (8216, 28480), (8320, 28124), (9256, 25280), (10112, 23140), (10270, 22784), (11392, 20540), (11570, 20224), (12640, 18512), (14062, 16640), (14240, 16432)]