8840040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{181}}^1$

素因数の和:243

約数の個数: 128

約数和(自身を含む): 29877120

約数和(自身を除く): 21037080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 37, 40, 44, 55, 60, 66, 74, 88, 110, 111, 120, 132, 148, 165, 181, 185, 220, 222, 264, 296, 330, 362, 370, 407, 440, 444, 543, 555, 660, 724, 740, 814, 888, 905, 1086, 1110, 1221, 1320, 1448, 1480, 1628, 1810, 1991, 2035, 2172, 2220, 2442, 2715, 3256, 3620, 3982, 4070, 4344, 4440, 4884, 5430, 5973, 6105, 6697, 7240, 7964, 8140, 9768, 9955, 10860, 11946, 12210, 13394, 15928, 16280, 19910, 20091, 21720, 23892, 24420, 26788, 29865, 33485, 39820, 40182, 47784, 48840, 53576, 59730, 66970, 73667, 79640, 80364, 100455, 119460, 133940, 147334, 160728, 200910, 221001, 238920, 267880, 294668, 368335, 401820, 442002, 589336, 736670, 803640, 884004, 1105005, 1473340, 1768008, 2210010, 2946680, 4420020, 8840040]

約数ペア:

[(1, 8840040), (2, 4420020), (3, 2946680), (4, 2210010), (5, 1768008), (6, 1473340), (8, 1105005), (10, 884004), (11, 803640), (12, 736670), (15, 589336), (20, 442002), (22, 401820), (24, 368335), (30, 294668), (33, 267880), (37, 238920), (40, 221001), (44, 200910), (55, 160728), (60, 147334), (66, 133940), (74, 119460), (88, 100455), (110, 80364), (111, 79640), (120, 73667), (132, 66970), (148, 59730), (165, 53576), (181, 48840), (185, 47784), (220, 40182), (222, 39820), (264, 33485), (296, 29865), (330, 26788), (362, 24420), (370, 23892), (407, 21720), (440, 20091), (444, 19910), (543, 16280), (555, 15928), (660, 13394), (724, 12210), (740, 11946), (814, 10860), (888, 9955), (905, 9768), (1086, 8140), (1110, 7964), (1221, 7240), (1320, 6697), (1448, 6105), (1480, 5973), (1628, 5430), (1810, 4884), (1991, 4440), (2035, 4344), (2172, 4070), (2220, 3982), (2442, 3620), (2715, 3256)]