311188320

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{216103}}^1$

素因数の和:216124

約数の個数: 72

約数和(自身を含む): 1061935056

約数和(自身を除く): 750746736

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 216103, 432206, 648309, 864412, 1080515, 1296618, 1728824, 1944927, 2161030, 2593236, 3241545, 3457648, 3889854, 4322060, 5186472, 6483090, 6915296, 7779708, 8644120, 9724635, 10372944, 12966180, 15559416, 17288240, 19449270, 20745888, 25932360, 31118832, 34576480, 38898540, 51864720, 62237664, 77797080, 103729440, 155594160, 311188320]

約数ペア:

[(1, 311188320), (2, 155594160), (3, 103729440), (4, 77797080), (5, 62237664), (6, 51864720), (8, 38898540), (9, 34576480), (10, 31118832), (12, 25932360), (15, 20745888), (16, 19449270), (18, 17288240), (20, 15559416), (24, 12966180), (30, 10372944), (32, 9724635), (36, 8644120), (40, 7779708), (45, 6915296), (48, 6483090), (60, 5186472), (72, 4322060), (80, 3889854), (90, 3457648), (96, 3241545), (120, 2593236), (144, 2161030), (160, 1944927), (180, 1728824), (240, 1296618), (288, 1080515), (360, 864412), (480, 648309), (720, 432206), (1440, 216103)]