81479904

素因数分解:

$2^5\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1$

素因数の和:205

約数の個数: 192

約数和(自身を含む): 255467520

約数和(自身を除く): 173987616

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 19, 22, 24, 31, 32, 33, 38, 44, 48, 57, 62, 66, 76, 88, 93, 96, 114, 124, 131, 132, 152, 176, 186, 209, 228, 248, 262, 264, 304, 341, 352, 372, 393, 418, 456, 496, 524, 528, 589, 608, 627, 682, 744, 786, 836, 912, 992, 1023, 1048, 1056, 1178, 1254, 1364, 1441, 1488, 1572, 1672, 1767, 1824, 2046, 2096, 2356, 2489, 2508, 2728, 2882, 2976, 3144, 3344, 3534, 4061, 4092, 4192, 4323, 4712, 4978, 5016, 5456, 5764, 6288, 6479, 6688, 7068, 7467, 8122, 8184, 8646, 9424, 9956, 10032, 10912, 11528, 12183, 12576, 12958, 14136, 14934, 16244, 16368, 17292, 18848, 19437, 19912, 20064, 23056, 24366, 25916, 27379, 28272, 29868, 32488, 32736, 34584, 38874, 39824, 44671, 46112, 48732, 51832, 54758, 56544, 59736, 64976, 69168, 77159, 77748, 79648, 82137, 89342, 97464, 103664, 109516, 119472, 129952, 134013, 138336, 154318, 155496, 164274, 178684, 194928, 207328, 219032, 231477, 238944, 268026, 308636, 310992, 328548, 357368, 389856, 438064, 462954, 536052, 617272, 621984, 657096, 714736, 848749, 876128, 925908, 1072104, 1234544, 1314192, 1429472, 1697498, 1851816, 2144208, 2469088, 2546247, 2628384, 3394996, 3703632, 4288416, 5092494, 6789992, 7407264, 10184988, 13579984, 20369976, 27159968, 40739952, 81479904]

約数ペア:

[(1, 81479904), (2, 40739952), (3, 27159968), (4, 20369976), (6, 13579984), (8, 10184988), (11, 7407264), (12, 6789992), (16, 5092494), (19, 4288416), (22, 3703632), (24, 3394996), (31, 2628384), (32, 2546247), (33, 2469088), (38, 2144208), (44, 1851816), (48, 1697498), (57, 1429472), (62, 1314192), (66, 1234544), (76, 1072104), (88, 925908), (93, 876128), (96, 848749), (114, 714736), (124, 657096), (131, 621984), (132, 617272), (152, 536052), (176, 462954), (186, 438064), (209, 389856), (228, 357368), (248, 328548), (262, 310992), (264, 308636), (304, 268026), (341, 238944), (352, 231477), (372, 219032), (393, 207328), (418, 194928), (456, 178684), (496, 164274), (524, 155496), (528, 154318), (589, 138336), (608, 134013), (627, 129952), (682, 119472), (744, 109516), (786, 103664), (836, 97464), (912, 89342), (992, 82137), (1023, 79648), (1048, 77748), (1056, 77159), (1178, 69168), (1254, 64976), (1364, 59736), (1441, 56544), (1488, 54758), (1572, 51832), (1672, 48732), (1767, 46112), (1824, 44671), (2046, 39824), (2096, 38874), (2356, 34584), (2489, 32736), (2508, 32488), (2728, 29868), (2882, 28272), (2976, 27379), (3144, 25916), (3344, 24366), (3534, 23056), (4061, 20064), (4092, 19912), (4192, 19437), (4323, 18848), (4712, 17292), (4978, 16368), (5016, 16244), (5456, 14934), (5764, 14136), (6288, 12958), (6479, 12576), (6688, 12183), (7068, 11528), (7467, 10912), (8122, 10032), (8184, 9956), (8646, 9424)]