161581440

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{3659}}^1$

素因数の和:3704

約数の個数: 128

約数和(自身を含む): 537580800

約数和(自身を除く): 375999360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 46, 48, 60, 64, 69, 80, 92, 96, 115, 120, 128, 138, 160, 184, 192, 230, 240, 276, 320, 345, 368, 384, 460, 480, 552, 640, 690, 736, 920, 960, 1104, 1380, 1472, 1840, 1920, 2208, 2760, 2944, 3659, 3680, 4416, 5520, 7318, 7360, 8832, 10977, 11040, 14636, 14720, 18295, 21954, 22080, 29272, 36590, 43908, 44160, 54885, 58544, 73180, 84157, 87816, 109770, 117088, 146360, 168314, 175632, 219540, 234176, 252471, 292720, 336628, 351264, 420785, 439080, 468352, 504942, 585440, 673256, 702528, 841570, 878160, 1009884, 1170880, 1262355, 1346512, 1405056, 1683140, 1756320, 2019768, 2341760, 2524710, 2693024, 3366280, 3512640, 4039536, 5049420, 5386048, 6732560, 7025280, 8079072, 10098840, 10772096, 13465120, 16158144, 20197680, 26930240, 32316288, 40395360, 53860480, 80790720, 161581440]

約数ペア:

[(1, 161581440), (2, 80790720), (3, 53860480), (4, 40395360), (5, 32316288), (6, 26930240), (8, 20197680), (10, 16158144), (12, 13465120), (15, 10772096), (16, 10098840), (20, 8079072), (23, 7025280), (24, 6732560), (30, 5386048), (32, 5049420), (40, 4039536), (46, 3512640), (48, 3366280), (60, 2693024), (64, 2524710), (69, 2341760), (80, 2019768), (92, 1756320), (96, 1683140), (115, 1405056), (120, 1346512), (128, 1262355), (138, 1170880), (160, 1009884), (184, 878160), (192, 841570), (230, 702528), (240, 673256), (276, 585440), (320, 504942), (345, 468352), (368, 439080), (384, 420785), (460, 351264), (480, 336628), (552, 292720), (640, 252471), (690, 234176), (736, 219540), (920, 175632), (960, 168314), (1104, 146360), (1380, 117088), (1472, 109770), (1840, 87816), (1920, 84157), (2208, 73180), (2760, 58544), (2944, 54885), (3659, 44160), (3680, 43908), (4416, 36590), (5520, 29272), (7318, 22080), (7360, 21954), (8832, 18295), (10977, 14720), (11040, 14636)]