321014778640

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{6301}}^1\times {\mathrm{20543}}^1$

素因数の和:26888

約数の個数: 80

約数和(自身を含む): 770595250176

約数和(自身を除く): 449580471536

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 6301, 12602, 20543, 25204, 31505, 41086, 50408, 63010, 82172, 100816, 102715, 126020, 164344, 195331, 205430, 252040, 328688, 390662, 410860, 504080, 636833, 781324, 821720, 976655, 1273666, 1562648, 1643440, 1953310, 2547332, 3125296, 3184165, 3906620, 5094664, 6368330, 7813240, 10189328, 12736660, 15626480, 25473320, 50946640, 129441443, 258882886, 517765772, 647207215, 1035531544, 1294414430, 2071063088, 2588828860, 4012684733, 5177657720, 8025369466, 10355315440, 16050738932, 20063423665, 32101477864, 40126847330, 64202955728, 80253694660, 160507389320, 321014778640]

約数ペア:

[(1, 321014778640), (2, 160507389320), (4, 80253694660), (5, 64202955728), (8, 40126847330), (10, 32101477864), (16, 20063423665), (20, 16050738932), (31, 10355315440), (40, 8025369466), (62, 5177657720), (80, 4012684733), (124, 2588828860), (155, 2071063088), (248, 1294414430), (310, 1035531544), (496, 647207215), (620, 517765772), (1240, 258882886), (2480, 129441443), (6301, 50946640), (12602, 25473320), (20543, 15626480), (25204, 12736660), (31505, 10189328), (41086, 7813240), (50408, 6368330), (63010, 5094664), (82172, 3906620), (100816, 3184165), (102715, 3125296), (126020, 2547332), (164344, 1953310), (195331, 1643440), (205430, 1562648), (252040, 1273666), (328688, 976655), (390662, 821720), (410860, 781324), (504080, 636833)]