247748280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1$

素因数の和:214

約数の個数: 256

約数和(自身を含む): 851558400

約数和(自身を除く): 603810120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 31, 39, 40, 47, 52, 60, 62, 65, 78, 93, 94, 104, 109, 120, 124, 130, 141, 155, 156, 186, 188, 195, 218, 235, 248, 260, 282, 310, 312, 327, 372, 376, 390, 403, 436, 465, 470, 520, 545, 564, 611, 620, 654, 705, 744, 780, 806, 872, 930, 940, 1090, 1128, 1209, 1222, 1240, 1308, 1410, 1417, 1457, 1560, 1612, 1635, 1833, 1860, 1880, 2015, 2180, 2418, 2444, 2616, 2820, 2834, 2914, 3055, 3224, 3270, 3379, 3666, 3720, 4030, 4251, 4360, 4371, 4836, 4888, 5123, 5640, 5668, 5828, 6045, 6110, 6540, 6758, 7085, 7285, 7332, 8060, 8502, 8742, 9165, 9672, 10137, 10246, 11336, 11656, 12090, 12220, 13080, 13516, 14170, 14570, 14664, 15369, 16120, 16895, 17004, 17484, 18330, 18941, 20274, 20492, 21255, 21855, 24180, 24440, 25615, 27032, 28340, 29140, 30738, 33790, 34008, 34968, 36660, 37882, 40548, 40984, 42510, 43710, 43927, 48360, 50685, 51230, 56680, 56823, 58280, 61476, 66599, 67580, 73320, 75764, 76845, 81096, 85020, 87420, 87854, 94705, 101370, 102460, 113646, 122952, 131781, 133198, 135160, 151528, 153690, 158813, 170040, 174840, 175708, 189410, 199797, 202740, 204920, 219635, 227292, 263562, 266396, 284115, 307380, 317626, 332995, 351416, 378820, 399594, 405480, 439270, 454584, 476439, 527124, 532792, 568230, 614760, 635252, 658905, 665990, 757640, 794065, 799188, 878540, 952878, 998985, 1054248, 1136460, 1270504, 1317810, 1331980, 1588130, 1598376, 1757080, 1905756, 1997970, 2064569, 2272920, 2382195, 2635620, 2663960, 3176260, 3811512, 3995940, 4129138, 4764390, 5271240, 6193707, 6352520, 7991880, 8258276, 9528780, 10322845, 12387414, 16516552, 19057560, 20645690, 24774828, 30968535, 41291380, 49549656, 61937070, 82582760, 123874140, 247748280]

約数ペア:

[(1, 247748280), (2, 123874140), (3, 82582760), (4, 61937070), (5, 49549656), (6, 41291380), (8, 30968535), (10, 24774828), (12, 20645690), (13, 19057560), (15, 16516552), (20, 12387414), (24, 10322845), (26, 9528780), (30, 8258276), (31, 7991880), (39, 6352520), (40, 6193707), (47, 5271240), (52, 4764390), (60, 4129138), (62, 3995940), (65, 3811512), (78, 3176260), (93, 2663960), (94, 2635620), (104, 2382195), (109, 2272920), (120, 2064569), (124, 1997970), (130, 1905756), (141, 1757080), (155, 1598376), (156, 1588130), (186, 1331980), (188, 1317810), (195, 1270504), (218, 1136460), (235, 1054248), (248, 998985), (260, 952878), (282, 878540), (310, 799188), (312, 794065), (327, 757640), (372, 665990), (376, 658905), (390, 635252), (403, 614760), (436, 568230), (465, 532792), (470, 527124), (520, 476439), (545, 454584), (564, 439270), (611, 405480), (620, 399594), (654, 378820), (705, 351416), (744, 332995), (780, 317626), (806, 307380), (872, 284115), (930, 266396), (940, 263562), (1090, 227292), (1128, 219635), (1209, 204920), (1222, 202740), (1240, 199797), (1308, 189410), (1410, 175708), (1417, 174840), (1457, 170040), (1560, 158813), (1612, 153690), (1635, 151528), (1833, 135160), (1860, 133198), (1880, 131781), (2015, 122952), (2180, 113646), (2418, 102460), (2444, 101370), (2616, 94705), (2820, 87854), (2834, 87420), (2914, 85020), (3055, 81096), (3224, 76845), (3270, 75764), (3379, 73320), (3666, 67580), (3720, 66599), (4030, 61476), (4251, 58280), (4360, 56823), (4371, 56680), (4836, 51230), (4888, 50685), (5123, 48360), (5640, 43927), (5668, 43710), (5828, 42510), (6045, 40984), (6110, 40548), (6540, 37882), (6758, 36660), (7085, 34968), (7285, 34008), (7332, 33790), (8060, 30738), (8502, 29140), (8742, 28340), (9165, 27032), (9672, 25615), (10137, 24440), (10246, 24180), (11336, 21855), (11656, 21255), (12090, 20492), (12220, 20274), (13080, 18941), (13516, 18330), (14170, 17484), (14570, 17004), (14664, 16895), (15369, 16120)]