165438320

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{3511}}^1$

素因数の和:3574

約数の個数: 80

約数和(自身を含む): 418068480

約数和(自身を除く): 252630160

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 38, 40, 62, 76, 80, 95, 124, 152, 155, 190, 248, 304, 310, 380, 496, 589, 620, 760, 1178, 1240, 1520, 2356, 2480, 2945, 3511, 4712, 5890, 7022, 9424, 11780, 14044, 17555, 23560, 28088, 35110, 47120, 56176, 66709, 70220, 108841, 133418, 140440, 217682, 266836, 280880, 333545, 435364, 533672, 544205, 667090, 870728, 1067344, 1088410, 1334180, 1741456, 2067979, 2176820, 2668360, 4135958, 4353640, 5336720, 8271916, 8707280, 10339895, 16543832, 20679790, 33087664, 41359580, 82719160, 165438320]

約数ペア:

[(1, 165438320), (2, 82719160), (4, 41359580), (5, 33087664), (8, 20679790), (10, 16543832), (16, 10339895), (19, 8707280), (20, 8271916), (31, 5336720), (38, 4353640), (40, 4135958), (62, 2668360), (76, 2176820), (80, 2067979), (95, 1741456), (124, 1334180), (152, 1088410), (155, 1067344), (190, 870728), (248, 667090), (304, 544205), (310, 533672), (380, 435364), (496, 333545), (589, 280880), (620, 266836), (760, 217682), (1178, 140440), (1240, 133418), (1520, 108841), (2356, 70220), (2480, 66709), (2945, 56176), (3511, 47120), (4712, 35110), (5890, 28088), (7022, 23560), (9424, 17555), (11780, 14044)]