1420298040

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{1690831}}^1$

素因数の和:1690852

約数の個数: 64

約数和(自身を含む): 4869596160

約数和(自身を除く): 3449298120

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, 420, 840, 1690831, 3381662, 5072493, 6763324, 8454155, 10144986, 11835817, 13526648, 16908310, 20289972, 23671634, 25362465, 33816620, 35507451, 40579944, 47343268, 50724930, 59179085, 67633240, 71014902, 94686536, 101449860, 118358170, 142029804, 177537255, 202899720, 236716340, 284059608, 355074510, 473432680, 710149020, 1420298040]

約数ペア:

[(1, 1420298040), (2, 710149020), (3, 473432680), (4, 355074510), (5, 284059608), (6, 236716340), (7, 202899720), (8, 177537255), (10, 142029804), (12, 118358170), (14, 101449860), (15, 94686536), (20, 71014902), (21, 67633240), (24, 59179085), (28, 50724930), (30, 47343268), (35, 40579944), (40, 35507451), (42, 33816620), (56, 25362465), (60, 23671634), (70, 20289972), (84, 16908310), (105, 13526648), (120, 11835817), (140, 10144986), (168, 8454155), (210, 6763324), (280, 5072493), (420, 3381662), (840, 1690831)]