7982280

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{389}}^1$

素因数の和:428

約数の個数: 128

約数和(自身を含む): 28080000

約数和(自身を除く): 20097720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 54, 57, 60, 72, 76, 90, 95, 108, 114, 120, 135, 152, 171, 180, 190, 216, 228, 270, 285, 342, 360, 380, 389, 456, 513, 540, 570, 684, 760, 778, 855, 1026, 1080, 1140, 1167, 1368, 1556, 1710, 1945, 2052, 2280, 2334, 2565, 3112, 3420, 3501, 3890, 4104, 4668, 5130, 5835, 6840, 7002, 7391, 7780, 9336, 10260, 10503, 11670, 14004, 14782, 15560, 17505, 20520, 21006, 22173, 23340, 28008, 29564, 35010, 36955, 42012, 44346, 46680, 52515, 59128, 66519, 70020, 73910, 84024, 88692, 105030, 110865, 133038, 140040, 147820, 177384, 199557, 210060, 221730, 266076, 295640, 332595, 399114, 420120, 443460, 532152, 665190, 798228, 886920, 997785, 1330380, 1596456, 1995570, 2660760, 3991140, 7982280]

約数ペア:

[(1, 7982280), (2, 3991140), (3, 2660760), (4, 1995570), (5, 1596456), (6, 1330380), (8, 997785), (9, 886920), (10, 798228), (12, 665190), (15, 532152), (18, 443460), (19, 420120), (20, 399114), (24, 332595), (27, 295640), (30, 266076), (36, 221730), (38, 210060), (40, 199557), (45, 177384), (54, 147820), (57, 140040), (60, 133038), (72, 110865), (76, 105030), (90, 88692), (95, 84024), (108, 73910), (114, 70020), (120, 66519), (135, 59128), (152, 52515), (171, 46680), (180, 44346), (190, 42012), (216, 36955), (228, 35010), (270, 29564), (285, 28008), (342, 23340), (360, 22173), (380, 21006), (389, 20520), (456, 17505), (513, 15560), (540, 14782), (570, 14004), (684, 11670), (760, 10503), (778, 10260), (855, 9336), (1026, 7780), (1080, 7391), (1140, 7002), (1167, 6840), (1368, 5835), (1556, 5130), (1710, 4668), (1945, 4104), (2052, 3890), (2280, 3501), (2334, 3420), (2565, 3112)]