8438820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{349}}^1$

素因数の和:405

約数の個数: 96

約数和(自身を含む): 26342400

約数和(自身を除く): 17903580

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 31, 39, 52, 60, 62, 65, 78, 93, 124, 130, 155, 156, 186, 195, 260, 310, 349, 372, 390, 403, 465, 620, 698, 780, 806, 930, 1047, 1209, 1396, 1612, 1745, 1860, 2015, 2094, 2418, 3490, 4030, 4188, 4537, 4836, 5235, 6045, 6980, 8060, 9074, 10470, 10819, 12090, 13611, 18148, 20940, 21638, 22685, 24180, 27222, 32457, 43276, 45370, 54095, 54444, 64914, 68055, 90740, 108190, 129828, 136110, 140647, 162285, 216380, 272220, 281294, 324570, 421941, 562588, 649140, 703235, 843882, 1406470, 1687764, 2109705, 2812940, 4219410, 8438820]

約数ペア:

[(1, 8438820), (2, 4219410), (3, 2812940), (4, 2109705), (5, 1687764), (6, 1406470), (10, 843882), (12, 703235), (13, 649140), (15, 562588), (20, 421941), (26, 324570), (30, 281294), (31, 272220), (39, 216380), (52, 162285), (60, 140647), (62, 136110), (65, 129828), (78, 108190), (93, 90740), (124, 68055), (130, 64914), (155, 54444), (156, 54095), (186, 45370), (195, 43276), (260, 32457), (310, 27222), (349, 24180), (372, 22685), (390, 21638), (403, 20940), (465, 18148), (620, 13611), (698, 12090), (780, 10819), (806, 10470), (930, 9074), (1047, 8060), (1209, 6980), (1396, 6045), (1612, 5235), (1745, 4836), (1860, 4537), (2015, 4188), (2094, 4030), (2418, 3490)]