164880320

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1511}}^1$

素因数の和:1570

約数の個数: 112

約数和(自身を含む): 442423296

約数和(自身を除く): 277542976

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 55, 62, 64, 80, 88, 110, 124, 155, 160, 176, 220, 248, 310, 320, 341, 352, 440, 496, 620, 682, 704, 880, 992, 1240, 1364, 1511, 1705, 1760, 1984, 2480, 2728, 3022, 3410, 3520, 4960, 5456, 6044, 6820, 7555, 9920, 10912, 12088, 13640, 15110, 16621, 21824, 24176, 27280, 30220, 33242, 46841, 48352, 54560, 60440, 66484, 83105, 93682, 96704, 109120, 120880, 132968, 166210, 187364, 234205, 241760, 265936, 332420, 374728, 468410, 483520, 515251, 531872, 664840, 749456, 936820, 1030502, 1063744, 1329680, 1498912, 1873640, 2061004, 2576255, 2659360, 2997824, 3747280, 4122008, 5152510, 5318720, 7494560, 8244016, 10305020, 14989120, 16488032, 20610040, 32976064, 41220080, 82440160, 164880320]

約数ペア:

[(1, 164880320), (2, 82440160), (4, 41220080), (5, 32976064), (8, 20610040), (10, 16488032), (11, 14989120), (16, 10305020), (20, 8244016), (22, 7494560), (31, 5318720), (32, 5152510), (40, 4122008), (44, 3747280), (55, 2997824), (62, 2659360), (64, 2576255), (80, 2061004), (88, 1873640), (110, 1498912), (124, 1329680), (155, 1063744), (160, 1030502), (176, 936820), (220, 749456), (248, 664840), (310, 531872), (320, 515251), (341, 483520), (352, 468410), (440, 374728), (496, 332420), (620, 265936), (682, 241760), (704, 234205), (880, 187364), (992, 166210), (1240, 132968), (1364, 120880), (1511, 109120), (1705, 96704), (1760, 93682), (1984, 83105), (2480, 66484), (2728, 60440), (3022, 54560), (3410, 48352), (3520, 46841), (4960, 33242), (5456, 30220), (6044, 27280), (6820, 24176), (7555, 21824), (9920, 16621), (10912, 15110), (12088, 13640)]