1240488720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{90679}}^1$

素因数の和:90717

約数の個数: 120

約数和(自身を含む): 4385284800

約数和(自身を除く): 3144796080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 36, 38, 40, 45, 48, 57, 60, 72, 76, 80, 90, 95, 114, 120, 144, 152, 171, 180, 190, 228, 240, 285, 304, 342, 360, 380, 456, 570, 684, 720, 760, 855, 912, 1140, 1368, 1520, 1710, 2280, 2736, 3420, 4560, 6840, 13680, 90679, 181358, 272037, 362716, 453395, 544074, 725432, 816111, 906790, 1088148, 1360185, 1450864, 1632222, 1722901, 1813580, 2176296, 2720370, 3264444, 3445802, 3627160, 4080555, 4352592, 5168703, 5440740, 6528888, 6891604, 7254320, 8161110, 8614505, 10337406, 10881480, 13057776, 13783208, 15506109, 16322220, 17229010, 20674812, 21762960, 25843515, 27566416, 31012218, 32644440, 34458020, 41349624, 51687030, 62024436, 65288880, 68916040, 77530545, 82699248, 103374060, 124048872, 137832080, 155061090, 206748120, 248097744, 310122180, 413496240, 620244360, 1240488720]

約数ペア:

[(1, 1240488720), (2, 620244360), (3, 413496240), (4, 310122180), (5, 248097744), (6, 206748120), (8, 155061090), (9, 137832080), (10, 124048872), (12, 103374060), (15, 82699248), (16, 77530545), (18, 68916040), (19, 65288880), (20, 62024436), (24, 51687030), (30, 41349624), (36, 34458020), (38, 32644440), (40, 31012218), (45, 27566416), (48, 25843515), (57, 21762960), (60, 20674812), (72, 17229010), (76, 16322220), (80, 15506109), (90, 13783208), (95, 13057776), (114, 10881480), (120, 10337406), (144, 8614505), (152, 8161110), (171, 7254320), (180, 6891604), (190, 6528888), (228, 5440740), (240, 5168703), (285, 4352592), (304, 4080555), (342, 3627160), (360, 3445802), (380, 3264444), (456, 2720370), (570, 2176296), (684, 1813580), (720, 1722901), (760, 1632222), (855, 1450864), (912, 1360185), (1140, 1088148), (1368, 906790), (1520, 816111), (1710, 725432), (2280, 544074), (2736, 453395), (3420, 362716), (4560, 272037), (6840, 181358), (13680, 90679)]