620172280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{347}}^1\times {\mathrm{491}}^1$

素因数の和:869

約数の個数: 128

約数和(自身を含む): 1725857280

約数和(自身を除く): 1105685000

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 347, 364, 455, 491, 520, 694, 728, 910, 982, 1388, 1735, 1820, 1964, 2429, 2455, 2776, 3437, 3470, 3640, 3928, 4511, 4858, 4910, 6383, 6874, 6940, 9022, 9716, 9820, 12145, 12766, 13748, 13880, 17185, 18044, 19432, 19640, 22555, 24290, 25532, 27496, 31577, 31915, 34370, 36088, 44681, 45110, 48580, 51064, 63154, 63830, 68740, 89362, 90220, 97160, 126308, 127660, 137480, 157885, 170377, 178724, 180440, 223405, 252616, 255320, 315770, 340754, 357448, 446810, 631540, 681508, 851885, 893620, 1192639, 1263080, 1363016, 1703770, 1787240, 2214901, 2385278, 3407540, 4429802, 4770556, 5963195, 6815080, 8859604, 9541112, 11074505, 11926390, 15504307, 17719208, 22149010, 23852780, 31008614, 44298020, 47705560, 62017228, 77521535, 88596040, 124034456, 155043070, 310086140, 620172280]

約数ペア:

[(1, 620172280), (2, 310086140), (4, 155043070), (5, 124034456), (7, 88596040), (8, 77521535), (10, 62017228), (13, 47705560), (14, 44298020), (20, 31008614), (26, 23852780), (28, 22149010), (35, 17719208), (40, 15504307), (52, 11926390), (56, 11074505), (65, 9541112), (70, 8859604), (91, 6815080), (104, 5963195), (130, 4770556), (140, 4429802), (182, 3407540), (260, 2385278), (280, 2214901), (347, 1787240), (364, 1703770), (455, 1363016), (491, 1263080), (520, 1192639), (694, 893620), (728, 851885), (910, 681508), (982, 631540), (1388, 446810), (1735, 357448), (1820, 340754), (1964, 315770), (2429, 255320), (2455, 252616), (2776, 223405), (3437, 180440), (3470, 178724), (3640, 170377), (3928, 157885), (4511, 137480), (4858, 127660), (4910, 126308), (6383, 97160), (6874, 90220), (6940, 89362), (9022, 68740), (9716, 63830), (9820, 63154), (12145, 51064), (12766, 48580), (13748, 45110), (13880, 44681), (17185, 36088), (18044, 34370), (19432, 31915), (19640, 31577), (22555, 27496), (24290, 25532)]