30398340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{461}}^1$

素因数の和:637

約数の個数: 96

約数和(自身を含む): 98106624

約数和(自身を除く): 67708284

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 157, 210, 314, 420, 461, 471, 628, 785, 922, 942, 1099, 1383, 1570, 1844, 1884, 2198, 2305, 2355, 2766, 3140, 3227, 3297, 4396, 4610, 4710, 5495, 5532, 6454, 6594, 6915, 9220, 9420, 9681, 10990, 12908, 13188, 13830, 16135, 16485, 19362, 21980, 27660, 32270, 32970, 38724, 48405, 64540, 65940, 72377, 96810, 144754, 193620, 217131, 289508, 361885, 434262, 506639, 723770, 868524, 1013278, 1085655, 1447540, 1519917, 2026556, 2171310, 2533195, 3039834, 4342620, 5066390, 6079668, 7599585, 10132780, 15199170, 30398340]

約数ペア:

[(1, 30398340), (2, 15199170), (3, 10132780), (4, 7599585), (5, 6079668), (6, 5066390), (7, 4342620), (10, 3039834), (12, 2533195), (14, 2171310), (15, 2026556), (20, 1519917), (21, 1447540), (28, 1085655), (30, 1013278), (35, 868524), (42, 723770), (60, 506639), (70, 434262), (84, 361885), (105, 289508), (140, 217131), (157, 193620), (210, 144754), (314, 96810), (420, 72377), (461, 65940), (471, 64540), (628, 48405), (785, 38724), (922, 32970), (942, 32270), (1099, 27660), (1383, 21980), (1570, 19362), (1844, 16485), (1884, 16135), (2198, 13830), (2305, 13188), (2355, 12908), (2766, 10990), (3140, 9681), (3227, 9420), (3297, 9220), (4396, 6915), (4610, 6594), (4710, 6454), (5495, 5532)]