66864800

素因数分解:

$2^5\times 5^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1$

素因数の和:175

約数の個数: 144

約数和(自身を含む): 177176160

約数和(自身を除く): 110311360

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 32, 38, 40, 50, 53, 76, 80, 83, 95, 100, 106, 152, 160, 166, 190, 200, 212, 265, 304, 332, 380, 400, 415, 424, 475, 530, 608, 664, 760, 800, 830, 848, 950, 1007, 1060, 1325, 1328, 1520, 1577, 1660, 1696, 1900, 2014, 2075, 2120, 2650, 2656, 3040, 3154, 3320, 3800, 4028, 4150, 4240, 4399, 5035, 5300, 6308, 6640, 7600, 7885, 8056, 8300, 8480, 8798, 10070, 10600, 12616, 13280, 15200, 15770, 16112, 16600, 17596, 20140, 21200, 21995, 25175, 25232, 31540, 32224, 33200, 35192, 39425, 40280, 42400, 43990, 50350, 50464, 63080, 66400, 70384, 78850, 80560, 83581, 87980, 100700, 109975, 126160, 140768, 157700, 161120, 167162, 175960, 201400, 219950, 252320, 315400, 334324, 351920, 402800, 417905, 439900, 630800, 668648, 703840, 805600, 835810, 879800, 1261600, 1337296, 1671620, 1759600, 2089525, 2674592, 3343240, 3519200, 4179050, 6686480, 8358100, 13372960, 16716200, 33432400, 66864800]

約数ペア:

[(1, 66864800), (2, 33432400), (4, 16716200), (5, 13372960), (8, 8358100), (10, 6686480), (16, 4179050), (19, 3519200), (20, 3343240), (25, 2674592), (32, 2089525), (38, 1759600), (40, 1671620), (50, 1337296), (53, 1261600), (76, 879800), (80, 835810), (83, 805600), (95, 703840), (100, 668648), (106, 630800), (152, 439900), (160, 417905), (166, 402800), (190, 351920), (200, 334324), (212, 315400), (265, 252320), (304, 219950), (332, 201400), (380, 175960), (400, 167162), (415, 161120), (424, 157700), (475, 140768), (530, 126160), (608, 109975), (664, 100700), (760, 87980), (800, 83581), (830, 80560), (848, 78850), (950, 70384), (1007, 66400), (1060, 63080), (1325, 50464), (1328, 50350), (1520, 43990), (1577, 42400), (1660, 40280), (1696, 39425), (1900, 35192), (2014, 33200), (2075, 32224), (2120, 31540), (2650, 25232), (2656, 25175), (3040, 21995), (3154, 21200), (3320, 20140), (3800, 17596), (4028, 16600), (4150, 16112), (4240, 15770), (4399, 15200), (5035, 13280), (5300, 12616), (6308, 10600), (6640, 10070), (7600, 8798), (7885, 8480), (8056, 8300)]