661861320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{1213}}^1\times {\mathrm{4547}}^1$

素因数の和:5774

約数の個数: 64

約数和(自身を含む): 1987657920

約数和(自身を除く): 1325796600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 1213, 2426, 3639, 4547, 4852, 6065, 7278, 9094, 9704, 12130, 13641, 14556, 18188, 18195, 22735, 24260, 27282, 29112, 36376, 36390, 45470, 48520, 54564, 68205, 72780, 90940, 109128, 136410, 145560, 181880, 272820, 545640, 5515511, 11031022, 16546533, 22062044, 27577555, 33093066, 44124088, 55155110, 66186132, 82732665, 110310220, 132372264, 165465330, 220620440, 330930660, 661861320]

約数ペア:

[(1, 661861320), (2, 330930660), (3, 220620440), (4, 165465330), (5, 132372264), (6, 110310220), (8, 82732665), (10, 66186132), (12, 55155110), (15, 44124088), (20, 33093066), (24, 27577555), (30, 22062044), (40, 16546533), (60, 11031022), (120, 5515511), (1213, 545640), (2426, 272820), (3639, 181880), (4547, 145560), (4852, 136410), (6065, 109128), (7278, 90940), (9094, 72780), (9704, 68205), (12130, 54564), (13641, 48520), (14556, 45470), (18188, 36390), (18195, 36376), (22735, 29112), (24260, 27282)]