12816720

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{2543}}^1$

素因数の和:2569

約数の個数: 120

約数和(自身を含む): 49211136

約数和(自身を除く): 36394416

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 2543, 5040, 5086, 7629, 10172, 12715, 15258, 17801, 20344, 22887, 25430, 30516, 35602, 38145, 40688, 45774, 50860, 53403, 61032, 71204, 76290, 89005, 91548, 101720, 106806, 114435, 122064, 142408, 152580, 160209, 178010, 183096, 203440, 213612, 228870, 267015, 284816, 305160, 320418, 356020, 366192, 427224, 457740, 534030, 610320, 640836, 712040, 801045, 854448, 915480, 1068060, 1281672, 1424080, 1602090, 1830960, 2136120, 2563344, 3204180, 4272240, 6408360, 12816720]

約数ペア:

[(1, 12816720), (2, 6408360), (3, 4272240), (4, 3204180), (5, 2563344), (6, 2136120), (7, 1830960), (8, 1602090), (9, 1424080), (10, 1281672), (12, 1068060), (14, 915480), (15, 854448), (16, 801045), (18, 712040), (20, 640836), (21, 610320), (24, 534030), (28, 457740), (30, 427224), (35, 366192), (36, 356020), (40, 320418), (42, 305160), (45, 284816), (48, 267015), (56, 228870), (60, 213612), (63, 203440), (70, 183096), (72, 178010), (80, 160209), (84, 152580), (90, 142408), (105, 122064), (112, 114435), (120, 106806), (126, 101720), (140, 91548), (144, 89005), (168, 76290), (180, 71204), (210, 61032), (240, 53403), (252, 50860), (280, 45774), (315, 40688), (336, 38145), (360, 35602), (420, 30516), (504, 25430), (560, 22887), (630, 20344), (720, 17801), (840, 15258), (1008, 12715), (1260, 10172), (1680, 7629), (2520, 5086), (2543, 5040)]