642910240

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{18517}}^1$

素因数の和:18570

約数の個数: 96

約数和(自身を含む): 1791949824

約数和(自身を除く): 1149039584

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 160, 217, 224, 248, 280, 310, 434, 496, 560, 620, 868, 992, 1085, 1120, 1240, 1736, 2170, 2480, 3472, 4340, 4960, 6944, 8680, 17360, 18517, 34720, 37034, 74068, 92585, 129619, 148136, 185170, 259238, 296272, 370340, 518476, 574027, 592544, 648095, 740680, 1036952, 1148054, 1296190, 1481360, 2073904, 2296108, 2592380, 2870135, 2962720, 4018189, 4147808, 4592216, 5184760, 5740270, 8036378, 9184432, 10369520, 11480540, 16072756, 18368864, 20090945, 20739040, 22961080, 32145512, 40181890, 45922160, 64291024, 80363780, 91844320, 128582048, 160727560, 321455120, 642910240]

約数ペア:

[(1, 642910240), (2, 321455120), (4, 160727560), (5, 128582048), (7, 91844320), (8, 80363780), (10, 64291024), (14, 45922160), (16, 40181890), (20, 32145512), (28, 22961080), (31, 20739040), (32, 20090945), (35, 18368864), (40, 16072756), (56, 11480540), (62, 10369520), (70, 9184432), (80, 8036378), (112, 5740270), (124, 5184760), (140, 4592216), (155, 4147808), (160, 4018189), (217, 2962720), (224, 2870135), (248, 2592380), (280, 2296108), (310, 2073904), (434, 1481360), (496, 1296190), (560, 1148054), (620, 1036952), (868, 740680), (992, 648095), (1085, 592544), (1120, 574027), (1240, 518476), (1736, 370340), (2170, 296272), (2480, 259238), (3472, 185170), (4340, 148136), (4960, 129619), (6944, 92585), (8680, 74068), (17360, 37034), (18517, 34720)]