399728520

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{123373}}^1$

素因数の和:123396

約数の個数: 80

約数和(自身を含む): 1343542860

約数和(自身を除く): 943814340

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 405, 540, 648, 810, 1080, 1620, 3240, 123373, 246746, 370119, 493492, 616865, 740238, 986984, 1110357, 1233730, 1480476, 1850595, 2220714, 2467460, 2960952, 3331071, 3701190, 4441428, 4934920, 5551785, 6662142, 7402380, 8882856, 9993213, 11103570, 13324284, 14804760, 16655355, 19986426, 22207140, 26648568, 33310710, 39972852, 44414280, 49966065, 66621420, 79945704, 99932130, 133242840, 199864260, 399728520]

約数ペア:

[(1, 399728520), (2, 199864260), (3, 133242840), (4, 99932130), (5, 79945704), (6, 66621420), (8, 49966065), (9, 44414280), (10, 39972852), (12, 33310710), (15, 26648568), (18, 22207140), (20, 19986426), (24, 16655355), (27, 14804760), (30, 13324284), (36, 11103570), (40, 9993213), (45, 8882856), (54, 7402380), (60, 6662142), (72, 5551785), (81, 4934920), (90, 4441428), (108, 3701190), (120, 3331071), (135, 2960952), (162, 2467460), (180, 2220714), (216, 1850595), (270, 1480476), (324, 1233730), (360, 1110357), (405, 986984), (540, 740238), (648, 616865), (810, 493492), (1080, 370119), (1620, 246746), (3240, 123373)]