84485920

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{349}}^1$

素因数の和:470

約数の個数: 96

約数和(自身を含む): 214326000

約数和(自身を除く): 129840080

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 89, 136, 160, 170, 178, 272, 340, 349, 356, 445, 544, 680, 698, 712, 890, 1360, 1396, 1424, 1513, 1745, 1780, 2720, 2792, 2848, 3026, 3490, 3560, 5584, 5933, 6052, 6980, 7120, 7565, 11168, 11866, 12104, 13960, 14240, 15130, 23732, 24208, 27920, 29665, 30260, 31061, 47464, 48416, 55840, 59330, 60520, 62122, 94928, 118660, 121040, 124244, 155305, 189856, 237320, 242080, 248488, 310610, 474640, 496976, 528037, 621220, 949280, 993952, 1056074, 1242440, 2112148, 2484880, 2640185, 4224296, 4969760, 5280370, 8448592, 10560740, 16897184, 21121480, 42242960, 84485920]

約数ペア:

[(1, 84485920), (2, 42242960), (4, 21121480), (5, 16897184), (8, 10560740), (10, 8448592), (16, 5280370), (17, 4969760), (20, 4224296), (32, 2640185), (34, 2484880), (40, 2112148), (68, 1242440), (80, 1056074), (85, 993952), (89, 949280), (136, 621220), (160, 528037), (170, 496976), (178, 474640), (272, 310610), (340, 248488), (349, 242080), (356, 237320), (445, 189856), (544, 155305), (680, 124244), (698, 121040), (712, 118660), (890, 94928), (1360, 62122), (1396, 60520), (1424, 59330), (1513, 55840), (1745, 48416), (1780, 47464), (2720, 31061), (2792, 30260), (2848, 29665), (3026, 27920), (3490, 24208), (3560, 23732), (5584, 15130), (5933, 14240), (6052, 13960), (6980, 12104), (7120, 11866), (7565, 11168)]