208351260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{269}}^1\times {\mathrm{331}}^1$

素因数の和:628

約数の個数: 144

約数和(自身を含む): 685208160

約数和(自身を除く): 476856900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 269, 331, 390, 468, 538, 585, 662, 780, 807, 993, 1076, 1170, 1324, 1345, 1614, 1655, 1986, 2340, 2421, 2690, 2979, 3228, 3310, 3497, 3972, 4035, 4303, 4842, 4965, 5380, 5958, 6620, 6994, 8070, 8606, 9684, 9930, 10491, 11916, 12105, 12909, 13988, 14895, 16140, 17212, 17485, 19860, 20982, 21515, 24210, 25818, 29790, 31473, 34970, 38727, 41964, 43030, 48420, 51636, 52455, 59580, 62946, 64545, 69940, 77454, 86060, 89039, 104910, 125892, 129090, 154908, 157365, 178078, 193635, 209820, 258180, 267117, 314730, 356156, 387270, 445195, 534234, 629460, 774540, 801351, 890390, 1068468, 1157507, 1335585, 1602702, 1780780, 2315014, 2671170, 3205404, 3472521, 4006755, 4630028, 5342340, 5787535, 6945042, 8013510, 10417563, 11575070, 13890084, 16027020, 17362605, 20835126, 23150140, 34725210, 41670252, 52087815, 69450420, 104175630, 208351260]

約数ペア:

[(1, 208351260), (2, 104175630), (3, 69450420), (4, 52087815), (5, 41670252), (6, 34725210), (9, 23150140), (10, 20835126), (12, 17362605), (13, 16027020), (15, 13890084), (18, 11575070), (20, 10417563), (26, 8013510), (30, 6945042), (36, 5787535), (39, 5342340), (45, 4630028), (52, 4006755), (60, 3472521), (65, 3205404), (78, 2671170), (90, 2315014), (117, 1780780), (130, 1602702), (156, 1335585), (180, 1157507), (195, 1068468), (234, 890390), (260, 801351), (269, 774540), (331, 629460), (390, 534234), (468, 445195), (538, 387270), (585, 356156), (662, 314730), (780, 267117), (807, 258180), (993, 209820), (1076, 193635), (1170, 178078), (1324, 157365), (1345, 154908), (1614, 129090), (1655, 125892), (1986, 104910), (2340, 89039), (2421, 86060), (2690, 77454), (2979, 69940), (3228, 64545), (3310, 62946), (3497, 59580), (3972, 52455), (4035, 51636), (4303, 48420), (4842, 43030), (4965, 41964), (5380, 38727), (5958, 34970), (6620, 31473), (6994, 29790), (8070, 25818), (8606, 24210), (9684, 21515), (9930, 20982), (10491, 19860), (11916, 17485), (12105, 17212), (12909, 16140), (13988, 14895)]