81226320

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{6907}}^1$

素因数の和:6937

約数の個数: 120

約数和(自身を含む): 292954464

約数和(自身を除く): 211728144

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 98, 105, 112, 120, 140, 147, 168, 196, 210, 240, 245, 280, 294, 336, 392, 420, 490, 560, 588, 735, 784, 840, 980, 1176, 1470, 1680, 1960, 2352, 2940, 3920, 5880, 6907, 11760, 13814, 20721, 27628, 34535, 41442, 48349, 55256, 69070, 82884, 96698, 103605, 110512, 138140, 145047, 165768, 193396, 207210, 241745, 276280, 290094, 331536, 338443, 386792, 414420, 483490, 552560, 580188, 676886, 725235, 773584, 828840, 966980, 1015329, 1160376, 1353772, 1450470, 1657680, 1692215, 1933960, 2030658, 2320752, 2707544, 2900940, 3384430, 3867920, 4061316, 5076645, 5415088, 5801880, 6768860, 8122632, 10153290, 11603760, 13537720, 16245264, 20306580, 27075440, 40613160, 81226320]

約数ペア:

[(1, 81226320), (2, 40613160), (3, 27075440), (4, 20306580), (5, 16245264), (6, 13537720), (7, 11603760), (8, 10153290), (10, 8122632), (12, 6768860), (14, 5801880), (15, 5415088), (16, 5076645), (20, 4061316), (21, 3867920), (24, 3384430), (28, 2900940), (30, 2707544), (35, 2320752), (40, 2030658), (42, 1933960), (48, 1692215), (49, 1657680), (56, 1450470), (60, 1353772), (70, 1160376), (80, 1015329), (84, 966980), (98, 828840), (105, 773584), (112, 725235), (120, 676886), (140, 580188), (147, 552560), (168, 483490), (196, 414420), (210, 386792), (240, 338443), (245, 331536), (280, 290094), (294, 276280), (336, 241745), (392, 207210), (420, 193396), (490, 165768), (560, 145047), (588, 138140), (735, 110512), (784, 103605), (840, 96698), (980, 82884), (1176, 69070), (1470, 55256), (1680, 48349), (1960, 41442), (2352, 34535), (2940, 27628), (3920, 20721), (5880, 13814), (6907, 11760)]