2004231720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{20443}}^1$

素因数の和:20519

約数の個数: 128

約数和(自身を含む): 6476659200

約数和(自身を除く): 4472427480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 43, 57, 60, 76, 86, 95, 114, 120, 129, 152, 172, 190, 215, 228, 258, 285, 344, 380, 430, 456, 516, 570, 645, 760, 817, 860, 1032, 1140, 1290, 1634, 1720, 2280, 2451, 2580, 3268, 4085, 4902, 5160, 6536, 8170, 9804, 12255, 16340, 19608, 20443, 24510, 32680, 40886, 49020, 61329, 81772, 98040, 102215, 122658, 163544, 204430, 245316, 306645, 388417, 408860, 490632, 613290, 776834, 817720, 879049, 1165251, 1226580, 1553668, 1758098, 1942085, 2330502, 2453160, 2637147, 3107336, 3516196, 3884170, 4395245, 4661004, 5274294, 5826255, 7032392, 7768340, 8790490, 9322008, 10548588, 11652510, 13185735, 15536680, 16701931, 17580980, 21097176, 23305020, 26371470, 33403862, 35161960, 46610040, 50105793, 52742940, 66807724, 83509655, 100211586, 105485880, 133615448, 167019310, 200423172, 250528965, 334038620, 400846344, 501057930, 668077240, 1002115860, 2004231720]

約数ペア:

[(1, 2004231720), (2, 1002115860), (3, 668077240), (4, 501057930), (5, 400846344), (6, 334038620), (8, 250528965), (10, 200423172), (12, 167019310), (15, 133615448), (19, 105485880), (20, 100211586), (24, 83509655), (30, 66807724), (38, 52742940), (40, 50105793), (43, 46610040), (57, 35161960), (60, 33403862), (76, 26371470), (86, 23305020), (95, 21097176), (114, 17580980), (120, 16701931), (129, 15536680), (152, 13185735), (172, 11652510), (190, 10548588), (215, 9322008), (228, 8790490), (258, 7768340), (285, 7032392), (344, 5826255), (380, 5274294), (430, 4661004), (456, 4395245), (516, 3884170), (570, 3516196), (645, 3107336), (760, 2637147), (817, 2453160), (860, 2330502), (1032, 1942085), (1140, 1758098), (1290, 1553668), (1634, 1226580), (1720, 1165251), (2280, 879049), (2451, 817720), (2580, 776834), (3268, 613290), (4085, 490632), (4902, 408860), (5160, 388417), (6536, 306645), (8170, 245316), (9804, 204430), (12255, 163544), (16340, 122658), (19608, 102215), (20443, 98040), (24510, 81772), (32680, 61329), (40886, 49020)]