208781520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{223}}^1$

素因数の和:369

約数の個数: 160

約数和(自身を含む): 671956992

約数和(自身を除く): 463175472

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 47, 48, 60, 80, 83, 94, 120, 141, 166, 188, 223, 235, 240, 249, 282, 332, 376, 415, 446, 470, 498, 564, 664, 669, 705, 752, 830, 892, 940, 996, 1115, 1128, 1245, 1328, 1338, 1410, 1660, 1784, 1880, 1992, 2230, 2256, 2490, 2676, 2820, 3320, 3345, 3568, 3760, 3901, 3984, 4460, 4980, 5352, 5640, 6640, 6690, 7802, 8920, 9960, 10481, 10704, 11280, 11703, 13380, 15604, 17840, 18509, 19505, 19920, 20962, 23406, 26760, 31208, 31443, 37018, 39010, 41924, 46812, 52405, 53520, 55527, 58515, 62416, 62886, 74036, 78020, 83848, 92545, 93624, 104810, 111054, 117030, 125772, 148072, 156040, 157215, 167696, 185090, 187248, 209620, 222108, 234060, 251544, 277635, 296144, 312080, 314430, 370180, 419240, 444216, 468120, 503088, 555270, 628860, 740360, 838480, 869923, 888432, 936240, 1110540, 1257720, 1480720, 1739846, 2221080, 2515440, 2609769, 3479692, 4349615, 4442160, 5219538, 6959384, 8699230, 10439076, 13048845, 13918768, 17398460, 20878152, 26097690, 34796920, 41756304, 52195380, 69593840, 104390760, 208781520]

約数ペア:

[(1, 208781520), (2, 104390760), (3, 69593840), (4, 52195380), (5, 41756304), (6, 34796920), (8, 26097690), (10, 20878152), (12, 17398460), (15, 13918768), (16, 13048845), (20, 10439076), (24, 8699230), (30, 6959384), (40, 5219538), (47, 4442160), (48, 4349615), (60, 3479692), (80, 2609769), (83, 2515440), (94, 2221080), (120, 1739846), (141, 1480720), (166, 1257720), (188, 1110540), (223, 936240), (235, 888432), (240, 869923), (249, 838480), (282, 740360), (332, 628860), (376, 555270), (415, 503088), (446, 468120), (470, 444216), (498, 419240), (564, 370180), (664, 314430), (669, 312080), (705, 296144), (752, 277635), (830, 251544), (892, 234060), (940, 222108), (996, 209620), (1115, 187248), (1128, 185090), (1245, 167696), (1328, 157215), (1338, 156040), (1410, 148072), (1660, 125772), (1784, 117030), (1880, 111054), (1992, 104810), (2230, 93624), (2256, 92545), (2490, 83848), (2676, 78020), (2820, 74036), (3320, 62886), (3345, 62416), (3568, 58515), (3760, 55527), (3901, 53520), (3984, 52405), (4460, 46812), (4980, 41924), (5352, 39010), (5640, 37018), (6640, 31443), (6690, 31208), (7802, 26760), (8920, 23406), (9960, 20962), (10481, 19920), (10704, 19505), (11280, 18509), (11703, 17840), (13380, 15604)]