43758520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1$

素因数の和:189

約数の個数: 128

約数和(自身を含む): 115315200

約数和(自身を除く): 71556680

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 43, 52, 65, 76, 86, 95, 103, 104, 130, 152, 172, 190, 206, 215, 247, 260, 344, 380, 412, 430, 494, 515, 520, 559, 760, 817, 824, 860, 988, 1030, 1118, 1235, 1339, 1634, 1720, 1957, 1976, 2060, 2236, 2470, 2678, 2795, 3268, 3914, 4085, 4120, 4429, 4472, 4940, 5356, 5590, 6536, 6695, 7828, 8170, 8858, 9785, 9880, 10621, 10712, 11180, 13390, 15656, 16340, 17716, 19570, 21242, 22145, 22360, 25441, 26780, 32680, 35432, 39140, 42484, 44290, 50882, 53105, 53560, 57577, 78280, 84151, 84968, 88580, 101764, 106210, 115154, 127205, 168302, 177160, 203528, 212420, 230308, 254410, 287885, 336604, 420755, 424840, 460616, 508820, 575770, 673208, 841510, 1017640, 1093963, 1151540, 1683020, 2187926, 2303080, 3366040, 4375852, 5469815, 8751704, 10939630, 21879260, 43758520]

約数ペア:

[(1, 43758520), (2, 21879260), (4, 10939630), (5, 8751704), (8, 5469815), (10, 4375852), (13, 3366040), (19, 2303080), (20, 2187926), (26, 1683020), (38, 1151540), (40, 1093963), (43, 1017640), (52, 841510), (65, 673208), (76, 575770), (86, 508820), (95, 460616), (103, 424840), (104, 420755), (130, 336604), (152, 287885), (172, 254410), (190, 230308), (206, 212420), (215, 203528), (247, 177160), (260, 168302), (344, 127205), (380, 115154), (412, 106210), (430, 101764), (494, 88580), (515, 84968), (520, 84151), (559, 78280), (760, 57577), (817, 53560), (824, 53105), (860, 50882), (988, 44290), (1030, 42484), (1118, 39140), (1235, 35432), (1339, 32680), (1634, 26780), (1720, 25441), (1957, 22360), (1976, 22145), (2060, 21242), (2236, 19570), (2470, 17716), (2678, 16340), (2795, 15656), (3268, 13390), (3914, 11180), (4085, 10712), (4120, 10621), (4429, 9880), (4472, 9785), (4940, 8858), (5356, 8170), (5590, 7828), (6536, 6695)]