247491660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1$

素因数の和:272

約数の個数: 192

約数和(自身を含む): 784852992

約数和(自身を除く): 537361332

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 43, 47, 52, 60, 65, 78, 86, 94, 129, 130, 141, 156, 157, 172, 188, 195, 215, 235, 258, 260, 282, 314, 390, 430, 470, 471, 516, 559, 564, 611, 628, 645, 705, 780, 785, 860, 940, 942, 1118, 1222, 1290, 1410, 1570, 1677, 1833, 1884, 2021, 2041, 2236, 2355, 2444, 2580, 2795, 2820, 3055, 3140, 3354, 3666, 4042, 4082, 4710, 5590, 6063, 6110, 6123, 6708, 6751, 7332, 7379, 8084, 8164, 8385, 9165, 9420, 10105, 10205, 11180, 12126, 12220, 12246, 13502, 14758, 16770, 18330, 20210, 20253, 20410, 22137, 24252, 24492, 26273, 27004, 29516, 30315, 30615, 33540, 33755, 36660, 36895, 40420, 40506, 40820, 44274, 52546, 60630, 61230, 67510, 73790, 78819, 81012, 87763, 88548, 95927, 101265, 105092, 110685, 121260, 122460, 131365, 135020, 147580, 157638, 175526, 191854, 202530, 221370, 262730, 263289, 287781, 315276, 317297, 351052, 383708, 394095, 405060, 438815, 442740, 479635, 525460, 526578, 575562, 634594, 788190, 877630, 951891, 959270, 1053156, 1151124, 1269188, 1316445, 1438905, 1576380, 1586485, 1755260, 1903782, 1918540, 2632890, 2877810, 3172970, 3807564, 4124861, 4759455, 5265780, 5755620, 6345940, 8249722, 9518910, 12374583, 16499444, 19037820, 20624305, 24749166, 41248610, 49498332, 61872915, 82497220, 123745830, 247491660]

約数ペア:

[(1, 247491660), (2, 123745830), (3, 82497220), (4, 61872915), (5, 49498332), (6, 41248610), (10, 24749166), (12, 20624305), (13, 19037820), (15, 16499444), (20, 12374583), (26, 9518910), (30, 8249722), (39, 6345940), (43, 5755620), (47, 5265780), (52, 4759455), (60, 4124861), (65, 3807564), (78, 3172970), (86, 2877810), (94, 2632890), (129, 1918540), (130, 1903782), (141, 1755260), (156, 1586485), (157, 1576380), (172, 1438905), (188, 1316445), (195, 1269188), (215, 1151124), (235, 1053156), (258, 959270), (260, 951891), (282, 877630), (314, 788190), (390, 634594), (430, 575562), (470, 526578), (471, 525460), (516, 479635), (559, 442740), (564, 438815), (611, 405060), (628, 394095), (645, 383708), (705, 351052), (780, 317297), (785, 315276), (860, 287781), (940, 263289), (942, 262730), (1118, 221370), (1222, 202530), (1290, 191854), (1410, 175526), (1570, 157638), (1677, 147580), (1833, 135020), (1884, 131365), (2021, 122460), (2041, 121260), (2236, 110685), (2355, 105092), (2444, 101265), (2580, 95927), (2795, 88548), (2820, 87763), (3055, 81012), (3140, 78819), (3354, 73790), (3666, 67510), (4042, 61230), (4082, 60630), (4710, 52546), (5590, 44274), (6063, 40820), (6110, 40506), (6123, 40420), (6708, 36895), (6751, 36660), (7332, 33755), (7379, 33540), (8084, 30615), (8164, 30315), (8385, 29516), (9165, 27004), (9420, 26273), (10105, 24492), (10205, 24252), (11180, 22137), (12126, 20410), (12220, 20253), (12246, 20210), (13502, 18330), (14758, 16770)]