30945460

素因数分解:

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

素因数の和:390

約数の個数: 96

約数和(自身を含む): 81849600

約数和(自身を除く): 50904140

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 140, 182, 196, 245, 260, 343, 347, 364, 455, 490, 637, 686, 694, 910, 980, 1274, 1372, 1388, 1715, 1735, 1820, 2429, 2548, 3185, 3430, 3470, 4459, 4511, 4858, 6370, 6860, 6940, 8918, 9022, 9716, 12145, 12740, 17003, 17836, 18044, 22295, 22555, 24290, 31577, 34006, 44590, 45110, 48580, 63154, 68012, 85015, 89180, 90220, 119021, 126308, 157885, 170030, 221039, 238042, 315770, 340060, 442078, 476084, 595105, 631540, 884156, 1105195, 1190210, 1547273, 2210390, 2380420, 3094546, 4420780, 6189092, 7736365, 15472730, 30945460]

約数ペア:

[(1, 30945460), (2, 15472730), (4, 7736365), (5, 6189092), (7, 4420780), (10, 3094546), (13, 2380420), (14, 2210390), (20, 1547273), (26, 1190210), (28, 1105195), (35, 884156), (49, 631540), (52, 595105), (65, 476084), (70, 442078), (91, 340060), (98, 315770), (130, 238042), (140, 221039), (182, 170030), (196, 157885), (245, 126308), (260, 119021), (343, 90220), (347, 89180), (364, 85015), (455, 68012), (490, 63154), (637, 48580), (686, 45110), (694, 44590), (910, 34006), (980, 31577), (1274, 24290), (1372, 22555), (1388, 22295), (1715, 18044), (1735, 17836), (1820, 17003), (2429, 12740), (2548, 12145), (3185, 9716), (3430, 9022), (3470, 8918), (4459, 6940), (4511, 6860), (4858, 6370)]