280505880

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{21059}}^1$

素因数の和:21113

約数の個数: 96

約数和(自身を含む): 936327600

約数和(自身を除く): 655821720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 37, 40, 45, 60, 72, 74, 90, 111, 120, 148, 180, 185, 222, 296, 333, 360, 370, 444, 555, 666, 740, 888, 1110, 1332, 1480, 1665, 2220, 2664, 3330, 4440, 6660, 13320, 21059, 42118, 63177, 84236, 105295, 126354, 168472, 189531, 210590, 252708, 315885, 379062, 421180, 505416, 631770, 758124, 779183, 842360, 947655, 1263540, 1516248, 1558366, 1895310, 2337549, 2527080, 3116732, 3790620, 3895915, 4675098, 6233464, 7012647, 7581240, 7791830, 9350196, 11687745, 14025294, 15583660, 18700392, 23375490, 28050588, 31167320, 35063235, 46750980, 56101176, 70126470, 93501960, 140252940, 280505880]

約数ペア:

[(1, 280505880), (2, 140252940), (3, 93501960), (4, 70126470), (5, 56101176), (6, 46750980), (8, 35063235), (9, 31167320), (10, 28050588), (12, 23375490), (15, 18700392), (18, 15583660), (20, 14025294), (24, 11687745), (30, 9350196), (36, 7791830), (37, 7581240), (40, 7012647), (45, 6233464), (60, 4675098), (72, 3895915), (74, 3790620), (90, 3116732), (111, 2527080), (120, 2337549), (148, 1895310), (180, 1558366), (185, 1516248), (222, 1263540), (296, 947655), (333, 842360), (360, 779183), (370, 758124), (444, 631770), (555, 505416), (666, 421180), (740, 379062), (888, 315885), (1110, 252708), (1332, 210590), (1480, 189531), (1665, 168472), (2220, 126354), (2664, 105295), (3330, 84236), (4440, 63177), (6660, 42118), (13320, 21059)]