81429200

素因数分解:

$2^4\times 5^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{167}}^1$

素因数の和:261

約数の個数: 120

約数和(自身を含む): 209236608

約数和(自身を除く): 127807408

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 40, 46, 50, 53, 80, 92, 100, 106, 115, 167, 184, 200, 212, 230, 265, 334, 368, 400, 424, 460, 530, 575, 668, 835, 848, 920, 1060, 1150, 1219, 1325, 1336, 1670, 1840, 2120, 2300, 2438, 2650, 2672, 3340, 3841, 4175, 4240, 4600, 4876, 5300, 6095, 6680, 7682, 8350, 8851, 9200, 9752, 10600, 12190, 13360, 15364, 16700, 17702, 19205, 19504, 21200, 24380, 30475, 30728, 33400, 35404, 38410, 44255, 48760, 60950, 61456, 66800, 70808, 76820, 88510, 96025, 97520, 121900, 141616, 153640, 177020, 192050, 203573, 221275, 243800, 307280, 354040, 384100, 407146, 442550, 487600, 708080, 768200, 814292, 885100, 1017865, 1536400, 1628584, 1770200, 2035730, 3257168, 3540400, 4071460, 5089325, 8142920, 10178650, 16285840, 20357300, 40714600, 81429200]

約数ペア:

[(1, 81429200), (2, 40714600), (4, 20357300), (5, 16285840), (8, 10178650), (10, 8142920), (16, 5089325), (20, 4071460), (23, 3540400), (25, 3257168), (40, 2035730), (46, 1770200), (50, 1628584), (53, 1536400), (80, 1017865), (92, 885100), (100, 814292), (106, 768200), (115, 708080), (167, 487600), (184, 442550), (200, 407146), (212, 384100), (230, 354040), (265, 307280), (334, 243800), (368, 221275), (400, 203573), (424, 192050), (460, 177020), (530, 153640), (575, 141616), (668, 121900), (835, 97520), (848, 96025), (920, 88510), (1060, 76820), (1150, 70808), (1219, 66800), (1325, 61456), (1336, 60950), (1670, 48760), (1840, 44255), (2120, 38410), (2300, 35404), (2438, 33400), (2650, 30728), (2672, 30475), (3340, 24380), (3841, 21200), (4175, 19504), (4240, 19205), (4600, 17702), (4876, 16700), (5300, 15364), (6095, 13360), (6680, 12190), (7682, 10600), (8350, 9752), (8851, 9200)]