321075840

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{3889}}^1$

素因数の和:3954

約数の個数: 128

約数和(自身を含む): 1047499200

約数和(自身を除く): 726423360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 43, 48, 60, 64, 80, 86, 96, 120, 128, 129, 160, 172, 192, 215, 240, 258, 320, 344, 384, 430, 480, 516, 640, 645, 688, 860, 960, 1032, 1290, 1376, 1720, 1920, 2064, 2580, 2752, 3440, 3889, 4128, 5160, 5504, 6880, 7778, 8256, 10320, 11667, 13760, 15556, 16512, 19445, 20640, 23334, 27520, 31112, 38890, 41280, 46668, 58335, 62224, 77780, 82560, 93336, 116670, 124448, 155560, 167227, 186672, 233340, 248896, 311120, 334454, 373344, 466680, 497792, 501681, 622240, 668908, 746688, 836135, 933360, 1003362, 1244480, 1337816, 1493376, 1672270, 1866720, 2006724, 2488960, 2508405, 2675632, 3344540, 3733440, 4013448, 5016810, 5351264, 6689080, 7466880, 8026896, 10033620, 10702528, 13378160, 16053792, 20067240, 21405056, 26756320, 32107584, 40134480, 53512640, 64215168, 80268960, 107025280, 160537920, 321075840]

約数ペア:

[(1, 321075840), (2, 160537920), (3, 107025280), (4, 80268960), (5, 64215168), (6, 53512640), (8, 40134480), (10, 32107584), (12, 26756320), (15, 21405056), (16, 20067240), (20, 16053792), (24, 13378160), (30, 10702528), (32, 10033620), (40, 8026896), (43, 7466880), (48, 6689080), (60, 5351264), (64, 5016810), (80, 4013448), (86, 3733440), (96, 3344540), (120, 2675632), (128, 2508405), (129, 2488960), (160, 2006724), (172, 1866720), (192, 1672270), (215, 1493376), (240, 1337816), (258, 1244480), (320, 1003362), (344, 933360), (384, 836135), (430, 746688), (480, 668908), (516, 622240), (640, 501681), (645, 497792), (688, 466680), (860, 373344), (960, 334454), (1032, 311120), (1290, 248896), (1376, 233340), (1720, 186672), (1920, 167227), (2064, 155560), (2580, 124448), (2752, 116670), (3440, 93336), (3889, 82560), (4128, 77780), (5160, 62224), (5504, 58335), (6880, 46668), (7778, 41280), (8256, 38890), (10320, 31112), (11667, 27520), (13760, 23334), (15556, 20640), (16512, 19445)]