990701280

素因数分解:

$2^5\times 3^5\times 5^1\times {\mathrm{83}}^1\times {\mathrm{307}}^1$

素因数の和:420

約数の個数: 288

約数和(自身を含む): 3559780224

約数和(自身を除く): 2569078944

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 81, 83, 90, 96, 108, 120, 135, 144, 160, 162, 166, 180, 216, 240, 243, 249, 270, 288, 307, 324, 332, 360, 405, 415, 432, 480, 486, 498, 540, 614, 648, 664, 720, 747, 810, 830, 864, 921, 972, 996, 1080, 1215, 1228, 1245, 1296, 1328, 1440, 1494, 1535, 1620, 1660, 1842, 1944, 1992, 2160, 2241, 2430, 2456, 2490, 2592, 2656, 2763, 2988, 3070, 3240, 3320, 3684, 3735, 3888, 3984, 4320, 4482, 4605, 4860, 4912, 4980, 5526, 5976, 6140, 6480, 6640, 6723, 7368, 7470, 7776, 7968, 8289, 8964, 9210, 9720, 9824, 9960, 11052, 11205, 11952, 12280, 12960, 13280, 13446, 13815, 14736, 14940, 16578, 17928, 18420, 19440, 19920, 20169, 22104, 22410, 23904, 24560, 24867, 25481, 26892, 27630, 29472, 29880, 33156, 33615, 35856, 36840, 38880, 39840, 40338, 41445, 44208, 44820, 49120, 49734, 50962, 53784, 55260, 59760, 66312, 67230, 71712, 73680, 74601, 76443, 80676, 82890, 88416, 89640, 99468, 100845, 101924, 107568, 110520, 119520, 124335, 127405, 132624, 134460, 147360, 149202, 152886, 161352, 165780, 179280, 198936, 201690, 203848, 215136, 221040, 229329, 248670, 254810, 265248, 268920, 298404, 305772, 322704, 331560, 358560, 373005, 382215, 397872, 403380, 407696, 442080, 458658, 497340, 509620, 537840, 596808, 611544, 645408, 663120, 687987, 746010, 764430, 795744, 806760, 815392, 917316, 994680, 1019240, 1075680, 1146645, 1193616, 1223088, 1326240, 1375974, 1492020, 1528860, 1613520, 1834632, 1989360, 2038480, 2063961, 2293290, 2387232, 2446176, 2751948, 2984040, 3057720, 3227040, 3439935, 3669264, 3978720, 4076960, 4127922, 4586580, 5503896, 5968080, 6115440, 6191883, 6879870, 7338528, 8255844, 9173160, 10319805, 11007792, 11936160, 12230880, 12383766, 13759740, 16511688, 18346320, 20639610, 22015584, 24767532, 27519480, 30959415, 33023376, 36692640, 41279220, 49535064, 55038960, 61918830, 66046752, 82558440, 99070128, 110077920, 123837660, 165116880, 198140256, 247675320, 330233760, 495350640, 990701280]

約数ペア:

[(1, 990701280), (2, 495350640), (3, 330233760), (4, 247675320), (5, 198140256), (6, 165116880), (8, 123837660), (9, 110077920), (10, 99070128), (12, 82558440), (15, 66046752), (16, 61918830), (18, 55038960), (20, 49535064), (24, 41279220), (27, 36692640), (30, 33023376), (32, 30959415), (36, 27519480), (40, 24767532), (45, 22015584), (48, 20639610), (54, 18346320), (60, 16511688), (72, 13759740), (80, 12383766), (81, 12230880), (83, 11936160), (90, 11007792), (96, 10319805), (108, 9173160), (120, 8255844), (135, 7338528), (144, 6879870), (160, 6191883), (162, 6115440), (166, 5968080), (180, 5503896), (216, 4586580), (240, 4127922), (243, 4076960), (249, 3978720), (270, 3669264), (288, 3439935), (307, 3227040), (324, 3057720), (332, 2984040), (360, 2751948), (405, 2446176), (415, 2387232), (432, 2293290), (480, 2063961), (486, 2038480), (498, 1989360), (540, 1834632), (614, 1613520), (648, 1528860), (664, 1492020), (720, 1375974), (747, 1326240), (810, 1223088), (830, 1193616), (864, 1146645), (921, 1075680), (972, 1019240), (996, 994680), (1080, 917316), (1215, 815392), (1228, 806760), (1245, 795744), (1296, 764430), (1328, 746010), (1440, 687987), (1494, 663120), (1535, 645408), (1620, 611544), (1660, 596808), (1842, 537840), (1944, 509620), (1992, 497340), (2160, 458658), (2241, 442080), (2430, 407696), (2456, 403380), (2490, 397872), (2592, 382215), (2656, 373005), (2763, 358560), (2988, 331560), (3070, 322704), (3240, 305772), (3320, 298404), (3684, 268920), (3735, 265248), (3888, 254810), (3984, 248670), (4320, 229329), (4482, 221040), (4605, 215136), (4860, 203848), (4912, 201690), (4980, 198936), (5526, 179280), (5976, 165780), (6140, 161352), (6480, 152886), (6640, 149202), (6723, 147360), (7368, 134460), (7470, 132624), (7776, 127405), (7968, 124335), (8289, 119520), (8964, 110520), (9210, 107568), (9720, 101924), (9824, 100845), (9960, 99468), (11052, 89640), (11205, 88416), (11952, 82890), (12280, 80676), (12960, 76443), (13280, 74601), (13446, 73680), (13815, 71712), (14736, 67230), (14940, 66312), (16578, 59760), (17928, 55260), (18420, 53784), (19440, 50962), (19920, 49734), (20169, 49120), (22104, 44820), (22410, 44208), (23904, 41445), (24560, 40338), (24867, 39840), (25481, 38880), (26892, 36840), (27630, 35856), (29472, 33615), (29880, 33156)]