156981760

素因数分解:

$2^9\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1$

素因数の和:178

約数の個数: 160

約数和(自身を含む): 417629520

約数和(自身を除く): 260647760

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 53, 64, 65, 80, 89, 104, 106, 128, 130, 160, 178, 208, 212, 256, 260, 265, 320, 356, 416, 424, 445, 512, 520, 530, 640, 689, 712, 832, 848, 890, 1040, 1060, 1157, 1280, 1378, 1424, 1664, 1696, 1780, 2080, 2120, 2314, 2560, 2756, 2848, 3328, 3392, 3445, 3560, 4160, 4240, 4628, 4717, 5512, 5696, 5785, 6656, 6784, 6890, 7120, 8320, 8480, 9256, 9434, 11024, 11392, 11570, 13568, 13780, 14240, 16640, 16960, 18512, 18868, 22048, 22784, 23140, 23585, 27136, 27560, 28480, 33280, 33920, 37024, 37736, 44096, 45568, 46280, 47170, 55120, 56960, 61321, 67840, 74048, 75472, 88192, 92560, 94340, 110240, 113920, 122642, 135680, 148096, 150944, 176384, 185120, 188680, 220480, 227840, 245284, 296192, 301888, 306605, 352768, 370240, 377360, 440960, 490568, 592384, 603776, 613210, 740480, 754720, 881920, 981136, 1207552, 1226420, 1480960, 1509440, 1763840, 1962272, 2415104, 2452840, 2961920, 3018880, 3924544, 4905680, 6037760, 7849088, 9811360, 12075520, 15698176, 19622720, 31396352, 39245440, 78490880, 156981760]

約数ペア:

[(1, 156981760), (2, 78490880), (4, 39245440), (5, 31396352), (8, 19622720), (10, 15698176), (13, 12075520), (16, 9811360), (20, 7849088), (26, 6037760), (32, 4905680), (40, 3924544), (52, 3018880), (53, 2961920), (64, 2452840), (65, 2415104), (80, 1962272), (89, 1763840), (104, 1509440), (106, 1480960), (128, 1226420), (130, 1207552), (160, 981136), (178, 881920), (208, 754720), (212, 740480), (256, 613210), (260, 603776), (265, 592384), (320, 490568), (356, 440960), (416, 377360), (424, 370240), (445, 352768), (512, 306605), (520, 301888), (530, 296192), (640, 245284), (689, 227840), (712, 220480), (832, 188680), (848, 185120), (890, 176384), (1040, 150944), (1060, 148096), (1157, 135680), (1280, 122642), (1378, 113920), (1424, 110240), (1664, 94340), (1696, 92560), (1780, 88192), (2080, 75472), (2120, 74048), (2314, 67840), (2560, 61321), (2756, 56960), (2848, 55120), (3328, 47170), (3392, 46280), (3445, 45568), (3560, 44096), (4160, 37736), (4240, 37024), (4628, 33920), (4717, 33280), (5512, 28480), (5696, 27560), (5785, 27136), (6656, 23585), (6784, 23140), (6890, 22784), (7120, 22048), (8320, 18868), (8480, 18512), (9256, 16960), (9434, 16640), (11024, 14240), (11392, 13780), (11570, 13568)]