217243260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{353}}^1$

素因数の和:644

約数の個数: 144

約数和(自身を含む): 714377664

約数和(自身を除く): 497134404

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, 263, 353, 390, 468, 526, 585, 706, 780, 789, 1052, 1059, 1170, 1315, 1412, 1578, 1765, 2118, 2340, 2367, 2630, 3156, 3177, 3419, 3530, 3945, 4236, 4589, 4734, 5260, 5295, 6354, 6838, 7060, 7890, 9178, 9468, 10257, 10590, 11835, 12708, 13676, 13767, 15780, 15885, 17095, 18356, 20514, 21180, 22945, 23670, 27534, 30771, 31770, 34190, 41028, 41301, 45890, 47340, 51285, 55068, 61542, 63540, 68380, 68835, 82602, 91780, 92839, 102570, 123084, 137670, 153855, 165204, 185678, 205140, 206505, 275340, 278517, 307710, 371356, 413010, 464195, 557034, 615420, 826020, 835551, 928390, 1114068, 1206907, 1392585, 1671102, 1856780, 2413814, 2785170, 3342204, 3620721, 4177755, 4827628, 5570340, 6034535, 7241442, 8355510, 10862163, 12069070, 14482884, 16711020, 18103605, 21724326, 24138140, 36207210, 43448652, 54310815, 72414420, 108621630, 217243260]

約数ペア:

[(1, 217243260), (2, 108621630), (3, 72414420), (4, 54310815), (5, 43448652), (6, 36207210), (9, 24138140), (10, 21724326), (12, 18103605), (13, 16711020), (15, 14482884), (18, 12069070), (20, 10862163), (26, 8355510), (30, 7241442), (36, 6034535), (39, 5570340), (45, 4827628), (52, 4177755), (60, 3620721), (65, 3342204), (78, 2785170), (90, 2413814), (117, 1856780), (130, 1671102), (156, 1392585), (180, 1206907), (195, 1114068), (234, 928390), (260, 835551), (263, 826020), (353, 615420), (390, 557034), (468, 464195), (526, 413010), (585, 371356), (706, 307710), (780, 278517), (789, 275340), (1052, 206505), (1059, 205140), (1170, 185678), (1315, 165204), (1412, 153855), (1578, 137670), (1765, 123084), (2118, 102570), (2340, 92839), (2367, 91780), (2630, 82602), (3156, 68835), (3177, 68380), (3419, 63540), (3530, 61542), (3945, 55068), (4236, 51285), (4589, 47340), (4734, 45890), (5260, 41301), (5295, 41028), (6354, 34190), (6838, 31770), (7060, 30771), (7890, 27534), (9178, 23670), (9468, 22945), (10257, 21180), (10590, 20514), (11835, 18356), (12708, 17095), (13676, 15885), (13767, 15780)]