181043720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1021}}^1$

素因数の和:1087

約数の個数: 128

約数和(自身を含む): 494484480

約数和(自身を除く): 313440760

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 31, 40, 44, 52, 55, 62, 65, 88, 104, 110, 124, 130, 143, 155, 220, 248, 260, 286, 310, 341, 403, 440, 520, 572, 620, 682, 715, 806, 1021, 1144, 1240, 1364, 1430, 1612, 1705, 2015, 2042, 2728, 2860, 3224, 3410, 4030, 4084, 4433, 5105, 5720, 6820, 8060, 8168, 8866, 10210, 11231, 13273, 13640, 16120, 17732, 20420, 22165, 22462, 26546, 31651, 35464, 40840, 44330, 44924, 53092, 56155, 63302, 66365, 88660, 89848, 106184, 112310, 126604, 132730, 146003, 158255, 177320, 224620, 253208, 265460, 292006, 316510, 348161, 411463, 449240, 530920, 584012, 633020, 696322, 730015, 822926, 1168024, 1266040, 1392644, 1460030, 1645852, 1740805, 2057315, 2785288, 2920060, 3291704, 3481610, 4114630, 4526093, 5840120, 6963220, 8229260, 9052186, 13926440, 16458520, 18104372, 22630465, 36208744, 45260930, 90521860, 181043720]

約数ペア:

[(1, 181043720), (2, 90521860), (4, 45260930), (5, 36208744), (8, 22630465), (10, 18104372), (11, 16458520), (13, 13926440), (20, 9052186), (22, 8229260), (26, 6963220), (31, 5840120), (40, 4526093), (44, 4114630), (52, 3481610), (55, 3291704), (62, 2920060), (65, 2785288), (88, 2057315), (104, 1740805), (110, 1645852), (124, 1460030), (130, 1392644), (143, 1266040), (155, 1168024), (220, 822926), (248, 730015), (260, 696322), (286, 633020), (310, 584012), (341, 530920), (403, 449240), (440, 411463), (520, 348161), (572, 316510), (620, 292006), (682, 265460), (715, 253208), (806, 224620), (1021, 177320), (1144, 158255), (1240, 146003), (1364, 132730), (1430, 126604), (1612, 112310), (1705, 106184), (2015, 89848), (2042, 88660), (2728, 66365), (2860, 63302), (3224, 56155), (3410, 53092), (4030, 44924), (4084, 44330), (4433, 40840), (5105, 35464), (5720, 31651), (6820, 26546), (8060, 22462), (8168, 22165), (8866, 20420), (10210, 17732), (11231, 16120), (13273, 13640)]