398607840

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{857}}^1$

素因数の和:914

約数の個数: 288

約数和(自身を含む): 1517836320

約数和(自身を除く): 1119228480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 19, 20, 24, 30, 32, 34, 36, 38, 40, 45, 48, 51, 57, 60, 68, 72, 76, 80, 85, 90, 95, 96, 102, 114, 120, 136, 144, 152, 153, 160, 170, 171, 180, 190, 204, 228, 240, 255, 272, 285, 288, 304, 306, 323, 340, 342, 360, 380, 408, 456, 480, 510, 544, 570, 608, 612, 646, 680, 684, 720, 760, 765, 816, 855, 857, 912, 969, 1020, 1140, 1224, 1292, 1360, 1368, 1440, 1520, 1530, 1615, 1632, 1710, 1714, 1824, 1938, 2040, 2280, 2448, 2571, 2584, 2720, 2736, 2907, 3040, 3060, 3230, 3420, 3428, 3876, 4080, 4285, 4560, 4845, 4896, 5142, 5168, 5472, 5814, 6120, 6460, 6840, 6856, 7713, 7752, 8160, 8570, 9120, 9690, 10284, 10336, 11628, 12240, 12855, 12920, 13680, 13712, 14535, 14569, 15426, 15504, 16283, 17140, 19380, 20568, 23256, 24480, 25710, 25840, 27360, 27424, 29070, 29138, 30852, 31008, 32566, 34280, 38565, 38760, 41136, 43707, 46512, 48849, 51420, 51680, 58140, 58276, 61704, 65132, 68560, 72845, 77130, 77520, 81415, 82272, 87414, 93024, 97698, 102840, 116280, 116552, 123408, 130264, 131121, 137120, 145690, 146547, 154260, 155040, 162830, 174828, 195396, 205680, 218535, 232560, 233104, 244245, 246816, 260528, 262242, 276811, 291380, 293094, 308520, 325660, 349656, 390792, 411360, 437070, 465120, 466208, 488490, 521056, 524484, 553622, 582760, 586188, 617040, 651320, 655605, 699312, 732735, 781584, 830433, 874140, 976980, 1048968, 1107244, 1165520, 1172376, 1234080, 1302640, 1311210, 1384055, 1398624, 1465470, 1563168, 1660866, 1748280, 1953960, 2097936, 2214488, 2331040, 2344752, 2491299, 2605280, 2622420, 2768110, 2930940, 3321732, 3496560, 3907920, 4152165, 4195872, 4428976, 4689504, 4982598, 5244840, 5536220, 5861880, 6643464, 6993120, 7815840, 8304330, 8857952, 9965196, 10489680, 11072440, 11723760, 12456495, 13286928, 16608660, 19930392, 20979360, 22144880, 23447520, 24912990, 26573856, 33217320, 39860784, 44289760, 49825980, 66434640, 79721568, 99651960, 132869280, 199303920, 398607840]

約数ペア:

[(1, 398607840), (2, 199303920), (3, 132869280), (4, 99651960), (5, 79721568), (6, 66434640), (8, 49825980), (9, 44289760), (10, 39860784), (12, 33217320), (15, 26573856), (16, 24912990), (17, 23447520), (18, 22144880), (19, 20979360), (20, 19930392), (24, 16608660), (30, 13286928), (32, 12456495), (34, 11723760), (36, 11072440), (38, 10489680), (40, 9965196), (45, 8857952), (48, 8304330), (51, 7815840), (57, 6993120), (60, 6643464), (68, 5861880), (72, 5536220), (76, 5244840), (80, 4982598), (85, 4689504), (90, 4428976), (95, 4195872), (96, 4152165), (102, 3907920), (114, 3496560), (120, 3321732), (136, 2930940), (144, 2768110), (152, 2622420), (153, 2605280), (160, 2491299), (170, 2344752), (171, 2331040), (180, 2214488), (190, 2097936), (204, 1953960), (228, 1748280), (240, 1660866), (255, 1563168), (272, 1465470), (285, 1398624), (288, 1384055), (304, 1311210), (306, 1302640), (323, 1234080), (340, 1172376), (342, 1165520), (360, 1107244), (380, 1048968), (408, 976980), (456, 874140), (480, 830433), (510, 781584), (544, 732735), (570, 699312), (608, 655605), (612, 651320), (646, 617040), (680, 586188), (684, 582760), (720, 553622), (760, 524484), (765, 521056), (816, 488490), (855, 466208), (857, 465120), (912, 437070), (969, 411360), (1020, 390792), (1140, 349656), (1224, 325660), (1292, 308520), (1360, 293094), (1368, 291380), (1440, 276811), (1520, 262242), (1530, 260528), (1615, 246816), (1632, 244245), (1710, 233104), (1714, 232560), (1824, 218535), (1938, 205680), (2040, 195396), (2280, 174828), (2448, 162830), (2571, 155040), (2584, 154260), (2720, 146547), (2736, 145690), (2907, 137120), (3040, 131121), (3060, 130264), (3230, 123408), (3420, 116552), (3428, 116280), (3876, 102840), (4080, 97698), (4285, 93024), (4560, 87414), (4845, 82272), (4896, 81415), (5142, 77520), (5168, 77130), (5472, 72845), (5814, 68560), (6120, 65132), (6460, 61704), (6840, 58276), (6856, 58140), (7713, 51680), (7752, 51420), (8160, 48849), (8570, 46512), (9120, 43707), (9690, 41136), (10284, 38760), (10336, 38565), (11628, 34280), (12240, 32566), (12855, 31008), (12920, 30852), (13680, 29138), (13712, 29070), (14535, 27424), (14569, 27360), (15426, 25840), (15504, 25710), (16283, 24480), (17140, 23256), (19380, 20568)]