15661900792

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{643}}^1$

素因数の和:837

約数の個数: 128

約数和(自身を含む): 32772902400

約数和(自身を除く): 17111001608

約数列:

[1, 2, 4, 8, 19, 37, 38, 61, 71, 74, 76, 122, 142, 148, 152, 244, 284, 296, 488, 568, 643, 703, 1159, 1286, 1349, 1406, 2257, 2318, 2572, 2627, 2698, 2812, 4331, 4514, 4636, 5144, 5254, 5396, 5624, 8662, 9028, 9272, 10508, 10792, 12217, 17324, 18056, 21016, 23791, 24434, 34648, 39223, 42883, 45653, 47582, 48868, 49913, 78446, 82289, 85766, 91306, 95164, 97736, 99826, 156892, 160247, 164578, 171532, 182612, 190328, 199652, 313784, 320494, 329156, 343064, 365224, 399304, 452029, 640988, 658312, 745237, 867407, 904058, 1281976, 1451251, 1490474, 1689161, 1734814, 1808116, 2784833, 2902502, 2980948, 3044693, 3378322, 3469628, 3616232, 5569666, 5805004, 5961896, 6089386, 6756644, 6939256, 11139332, 11610008, 12178772, 13513288, 22278664, 24357544, 27573769, 32094059, 52911827, 55147538, 64188118, 103038821, 105823654, 110295076, 128376236, 206077642, 211647308, 220590152, 256752472, 412155284, 423294616, 824310568, 1957737599, 3915475198, 7830950396, 15661900792]

約数ペア:

[(1, 15661900792), (2, 7830950396), (4, 3915475198), (8, 1957737599), (19, 824310568), (37, 423294616), (38, 412155284), (61, 256752472), (71, 220590152), (74, 211647308), (76, 206077642), (122, 128376236), (142, 110295076), (148, 105823654), (152, 103038821), (244, 64188118), (284, 55147538), (296, 52911827), (488, 32094059), (568, 27573769), (643, 24357544), (703, 22278664), (1159, 13513288), (1286, 12178772), (1349, 11610008), (1406, 11139332), (2257, 6939256), (2318, 6756644), (2572, 6089386), (2627, 5961896), (2698, 5805004), (2812, 5569666), (4331, 3616232), (4514, 3469628), (4636, 3378322), (5144, 3044693), (5254, 2980948), (5396, 2902502), (5624, 2784833), (8662, 1808116), (9028, 1734814), (9272, 1689161), (10508, 1490474), (10792, 1451251), (12217, 1281976), (17324, 904058), (18056, 867407), (21016, 745237), (23791, 658312), (24434, 640988), (34648, 452029), (39223, 399304), (42883, 365224), (45653, 343064), (47582, 329156), (48868, 320494), (49913, 313784), (78446, 199652), (82289, 190328), (85766, 182612), (91306, 171532), (95164, 164578), (97736, 160247), (99826, 156892)]