230769420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{1481}}^1$

素因数の和:1560

約数の個数: 144

約数和(自身を含む): 766348128

約数和(自身を除く): 535578708

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 53, 60, 70, 84, 98, 105, 106, 140, 147, 159, 196, 210, 212, 245, 265, 294, 318, 371, 420, 490, 530, 588, 636, 735, 742, 795, 980, 1060, 1113, 1470, 1481, 1484, 1590, 1855, 2226, 2597, 2940, 2962, 3180, 3710, 4443, 4452, 5194, 5565, 5924, 7405, 7420, 7791, 8886, 10367, 10388, 11130, 12985, 14810, 15582, 17772, 20734, 22215, 22260, 25970, 29620, 31101, 31164, 38955, 41468, 44430, 51835, 51940, 62202, 72569, 77910, 78493, 88860, 103670, 124404, 145138, 155505, 155820, 156986, 207340, 217707, 235479, 290276, 311010, 313972, 362845, 392465, 435414, 470958, 549451, 622020, 725690, 784930, 870828, 941916, 1088535, 1098902, 1177395, 1451380, 1569860, 1648353, 2177070, 2197804, 2354790, 2747255, 3296706, 3846157, 4354140, 4709580, 5494510, 6593412, 7692314, 8241765, 10989020, 11538471, 15384628, 16483530, 19230785, 23076942, 32967060, 38461570, 46153884, 57692355, 76923140, 115384710, 230769420]

約数ペア:

[(1, 230769420), (2, 115384710), (3, 76923140), (4, 57692355), (5, 46153884), (6, 38461570), (7, 32967060), (10, 23076942), (12, 19230785), (14, 16483530), (15, 15384628), (20, 11538471), (21, 10989020), (28, 8241765), (30, 7692314), (35, 6593412), (42, 5494510), (49, 4709580), (53, 4354140), (60, 3846157), (70, 3296706), (84, 2747255), (98, 2354790), (105, 2197804), (106, 2177070), (140, 1648353), (147, 1569860), (159, 1451380), (196, 1177395), (210, 1098902), (212, 1088535), (245, 941916), (265, 870828), (294, 784930), (318, 725690), (371, 622020), (420, 549451), (490, 470958), (530, 435414), (588, 392465), (636, 362845), (735, 313972), (742, 311010), (795, 290276), (980, 235479), (1060, 217707), (1113, 207340), (1470, 156986), (1481, 155820), (1484, 155505), (1590, 145138), (1855, 124404), (2226, 103670), (2597, 88860), (2940, 78493), (2962, 77910), (3180, 72569), (3710, 62202), (4443, 51940), (4452, 51835), (5194, 44430), (5565, 41468), (5924, 38955), (7405, 31164), (7420, 31101), (7791, 29620), (8886, 25970), (10367, 22260), (10388, 22215), (11130, 20734), (12985, 17772), (14810, 15582)]