478493680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{641}}^1$

素因数の和:735

約数の個数: 160

約数和(自身を含む): 1345056768

約数和(自身を除く): 866563088

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 43, 56, 62, 70, 80, 86, 112, 124, 140, 155, 172, 215, 217, 248, 280, 301, 310, 344, 430, 434, 496, 560, 602, 620, 641, 688, 860, 868, 1085, 1204, 1240, 1282, 1333, 1505, 1720, 1736, 2170, 2408, 2480, 2564, 2666, 3010, 3205, 3440, 3472, 4340, 4487, 4816, 5128, 5332, 6020, 6410, 6665, 8680, 8974, 9331, 10256, 10664, 12040, 12820, 13330, 17360, 17948, 18662, 19871, 21328, 22435, 24080, 25640, 26660, 27563, 35896, 37324, 39742, 44870, 46655, 51280, 53320, 55126, 71792, 74648, 79484, 89740, 93310, 99355, 106640, 110252, 137815, 139097, 149296, 158968, 179480, 186620, 192941, 198710, 220504, 275630, 278194, 317936, 358960, 373240, 385882, 397420, 441008, 551260, 556388, 695485, 746480, 771764, 794840, 854453, 964705, 1102520, 1112776, 1390970, 1543528, 1589680, 1708906, 1929410, 2205040, 2225552, 2781940, 3087056, 3417812, 3858820, 4272265, 5563880, 5981171, 6835624, 7717640, 8544530, 11127760, 11962342, 13671248, 15435280, 17089060, 23924684, 29905855, 34178120, 47849368, 59811710, 68356240, 95698736, 119623420, 239246840, 478493680]

約数ペア:

[(1, 478493680), (2, 239246840), (4, 119623420), (5, 95698736), (7, 68356240), (8, 59811710), (10, 47849368), (14, 34178120), (16, 29905855), (20, 23924684), (28, 17089060), (31, 15435280), (35, 13671248), (40, 11962342), (43, 11127760), (56, 8544530), (62, 7717640), (70, 6835624), (80, 5981171), (86, 5563880), (112, 4272265), (124, 3858820), (140, 3417812), (155, 3087056), (172, 2781940), (215, 2225552), (217, 2205040), (248, 1929410), (280, 1708906), (301, 1589680), (310, 1543528), (344, 1390970), (430, 1112776), (434, 1102520), (496, 964705), (560, 854453), (602, 794840), (620, 771764), (641, 746480), (688, 695485), (860, 556388), (868, 551260), (1085, 441008), (1204, 397420), (1240, 385882), (1282, 373240), (1333, 358960), (1505, 317936), (1720, 278194), (1736, 275630), (2170, 220504), (2408, 198710), (2480, 192941), (2564, 186620), (2666, 179480), (3010, 158968), (3205, 149296), (3440, 139097), (3472, 137815), (4340, 110252), (4487, 106640), (4816, 99355), (5128, 93310), (5332, 89740), (6020, 79484), (6410, 74648), (6665, 71792), (8680, 55126), (8974, 53320), (9331, 51280), (10256, 46655), (10664, 44870), (12040, 39742), (12820, 37324), (13330, 35896), (17360, 27563), (17948, 26660), (18662, 25640), (19871, 24080), (21328, 22435)]