1218540120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{293}}^1\times {\mathrm{4951}}^1$

素因数の和:5265

約数の個数: 128

約数和(自身を含む): 4192957440

約数和(自身を除く): 2974417320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 293, 420, 586, 840, 879, 1172, 1465, 1758, 2051, 2344, 2930, 3516, 4102, 4395, 4951, 5860, 6153, 7032, 8204, 8790, 9902, 10255, 11720, 12306, 14853, 16408, 17580, 19804, 20510, 24612, 24755, 29706, 30765, 34657, 35160, 39608, 41020, 49224, 49510, 59412, 61530, 69314, 74265, 82040, 99020, 103971, 118824, 123060, 138628, 148530, 173285, 198040, 207942, 246120, 277256, 297060, 346570, 415884, 519855, 594120, 693140, 831768, 1039710, 1386280, 1450643, 2079420, 2901286, 4158840, 4351929, 5802572, 7253215, 8703858, 10154501, 11605144, 14506430, 17407716, 20309002, 21759645, 29012860, 30463503, 34815432, 40618004, 43519290, 50772505, 58025720, 60927006, 81236008, 87038580, 101545010, 121854012, 152317515, 174077160, 203090020, 243708024, 304635030, 406180040, 609270060, 1218540120]

約数ペア:

[(1, 1218540120), (2, 609270060), (3, 406180040), (4, 304635030), (5, 243708024), (6, 203090020), (7, 174077160), (8, 152317515), (10, 121854012), (12, 101545010), (14, 87038580), (15, 81236008), (20, 60927006), (21, 58025720), (24, 50772505), (28, 43519290), (30, 40618004), (35, 34815432), (40, 30463503), (42, 29012860), (56, 21759645), (60, 20309002), (70, 17407716), (84, 14506430), (105, 11605144), (120, 10154501), (140, 8703858), (168, 7253215), (210, 5802572), (280, 4351929), (293, 4158840), (420, 2901286), (586, 2079420), (840, 1450643), (879, 1386280), (1172, 1039710), (1465, 831768), (1758, 693140), (2051, 594120), (2344, 519855), (2930, 415884), (3516, 346570), (4102, 297060), (4395, 277256), (4951, 246120), (5860, 207942), (6153, 198040), (7032, 173285), (8204, 148530), (8790, 138628), (9902, 123060), (10255, 118824), (11720, 103971), (12306, 99020), (14853, 82040), (16408, 74265), (17580, 69314), (19804, 61530), (20510, 59412), (24612, 49510), (24755, 49224), (29706, 41020), (30765, 39608), (34657, 35160)]