214728320

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1$

素因数の和:266

約数の個数: 128

約数和(自身を含む): 540518400

約数和(自身を除く): 325790080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 79, 80, 124, 128, 137, 155, 158, 160, 248, 274, 310, 316, 320, 395, 496, 548, 620, 632, 640, 685, 790, 992, 1096, 1240, 1264, 1370, 1580, 1984, 2192, 2449, 2480, 2528, 2740, 3160, 3968, 4247, 4384, 4898, 4960, 5056, 5480, 6320, 8494, 8768, 9796, 9920, 10112, 10823, 10960, 12245, 12640, 16988, 17536, 19592, 19840, 21235, 21646, 21920, 24490, 25280, 33976, 39184, 42470, 43292, 43840, 48980, 50560, 54115, 67952, 78368, 84940, 86584, 87680, 97960, 108230, 135904, 156736, 169880, 173168, 195920, 216460, 271808, 313472, 335513, 339760, 346336, 391840, 432920, 543616, 671026, 679520, 692672, 783680, 865840, 1342052, 1359040, 1385344, 1567360, 1677565, 1731680, 2684104, 2718080, 3355130, 3463360, 5368208, 6710260, 6926720, 10736416, 13420520, 21472832, 26841040, 42945664, 53682080, 107364160, 214728320]

約数ペア:

[(1, 214728320), (2, 107364160), (4, 53682080), (5, 42945664), (8, 26841040), (10, 21472832), (16, 13420520), (20, 10736416), (31, 6926720), (32, 6710260), (40, 5368208), (62, 3463360), (64, 3355130), (79, 2718080), (80, 2684104), (124, 1731680), (128, 1677565), (137, 1567360), (155, 1385344), (158, 1359040), (160, 1342052), (248, 865840), (274, 783680), (310, 692672), (316, 679520), (320, 671026), (395, 543616), (496, 432920), (548, 391840), (620, 346336), (632, 339760), (640, 335513), (685, 313472), (790, 271808), (992, 216460), (1096, 195920), (1240, 173168), (1264, 169880), (1370, 156736), (1580, 135904), (1984, 108230), (2192, 97960), (2449, 87680), (2480, 86584), (2528, 84940), (2740, 78368), (3160, 67952), (3968, 54115), (4247, 50560), (4384, 48980), (4898, 43840), (4960, 43292), (5056, 42470), (5480, 39184), (6320, 33976), (8494, 25280), (8768, 24490), (9796, 21920), (9920, 21646), (10112, 21235), (10823, 19840), (10960, 19592), (12245, 17536), (12640, 16988)]