1991323080

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{82559}}^1$

素因数の和:82643

約数の個数: 96

約数和(自身を含む): 6568473600

約数和(自身を除く): 4577150520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 67, 72, 90, 120, 134, 180, 201, 268, 335, 360, 402, 536, 603, 670, 804, 1005, 1206, 1340, 1608, 2010, 2412, 2680, 3015, 4020, 4824, 6030, 8040, 12060, 24120, 82559, 165118, 247677, 330236, 412795, 495354, 660472, 743031, 825590, 990708, 1238385, 1486062, 1651180, 1981416, 2476770, 2972124, 3302360, 3715155, 4953540, 5531453, 5944248, 7430310, 9907080, 11062906, 14860620, 16594359, 22125812, 27657265, 29721240, 33188718, 44251624, 49783077, 55314530, 66377436, 82971795, 99566154, 110629060, 132754872, 165943590, 199132308, 221258120, 248915385, 331887180, 398264616, 497830770, 663774360, 995661540, 1991323080]

約数ペア:

[(1, 1991323080), (2, 995661540), (3, 663774360), (4, 497830770), (5, 398264616), (6, 331887180), (8, 248915385), (9, 221258120), (10, 199132308), (12, 165943590), (15, 132754872), (18, 110629060), (20, 99566154), (24, 82971795), (30, 66377436), (36, 55314530), (40, 49783077), (45, 44251624), (60, 33188718), (67, 29721240), (72, 27657265), (90, 22125812), (120, 16594359), (134, 14860620), (180, 11062906), (201, 9907080), (268, 7430310), (335, 5944248), (360, 5531453), (402, 4953540), (536, 3715155), (603, 3302360), (670, 2972124), (804, 2476770), (1005, 1981416), (1206, 1651180), (1340, 1486062), (1608, 1238385), (2010, 990708), (2412, 825590), (2680, 743031), (3015, 660472), (4020, 495354), (4824, 412795), (6030, 330236), (8040, 247677), (12060, 165118), (24120, 82559)]