121797520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{83}}^2$

素因数の和:209

約数の個数: 120

約数和(自身を含む): 326838456

約数和(自身を除く): 205040936

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 34, 40, 52, 65, 68, 80, 83, 85, 104, 130, 136, 166, 170, 208, 221, 260, 272, 332, 340, 415, 442, 520, 664, 680, 830, 884, 1040, 1079, 1105, 1328, 1360, 1411, 1660, 1768, 2158, 2210, 2822, 3320, 3536, 4316, 4420, 5395, 5644, 6640, 6889, 7055, 8632, 8840, 10790, 11288, 13778, 14110, 17264, 17680, 18343, 21580, 22576, 27556, 28220, 34445, 36686, 43160, 55112, 56440, 68890, 73372, 86320, 89557, 91715, 110224, 112880, 117113, 137780, 146744, 179114, 183430, 234226, 275560, 293488, 358228, 366860, 447785, 468452, 551120, 585565, 716456, 733720, 895570, 936904, 1171130, 1432912, 1467440, 1522469, 1791140, 1873808, 2342260, 3044938, 3582280, 4684520, 6089876, 7164560, 7612345, 9369040, 12179752, 15224690, 24359504, 30449380, 60898760, 121797520]

約数ペア:

[(1, 121797520), (2, 60898760), (4, 30449380), (5, 24359504), (8, 15224690), (10, 12179752), (13, 9369040), (16, 7612345), (17, 7164560), (20, 6089876), (26, 4684520), (34, 3582280), (40, 3044938), (52, 2342260), (65, 1873808), (68, 1791140), (80, 1522469), (83, 1467440), (85, 1432912), (104, 1171130), (130, 936904), (136, 895570), (166, 733720), (170, 716456), (208, 585565), (221, 551120), (260, 468452), (272, 447785), (332, 366860), (340, 358228), (415, 293488), (442, 275560), (520, 234226), (664, 183430), (680, 179114), (830, 146744), (884, 137780), (1040, 117113), (1079, 112880), (1105, 110224), (1328, 91715), (1360, 89557), (1411, 86320), (1660, 73372), (1768, 68890), (2158, 56440), (2210, 55112), (2822, 43160), (3320, 36686), (3536, 34445), (4316, 28220), (4420, 27556), (5395, 22576), (5644, 21580), (6640, 18343), (6889, 17680), (7055, 17264), (8632, 14110), (8840, 13778), (10790, 11288)]