15721287610

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{3931}}^1$

素因数の和:4092

約数の個数: 128

約数和(自身を含む): 35512565760

約数和(自身を除く): 19791278150

約数列:

[1, 2, 5, 7, 10, 14, 19, 31, 35, 38, 62, 70, 95, 97, 133, 155, 190, 194, 217, 266, 310, 434, 485, 589, 665, 679, 970, 1085, 1178, 1330, 1358, 1843, 2170, 2945, 3007, 3395, 3686, 3931, 4123, 5890, 6014, 6790, 7862, 8246, 9215, 12901, 15035, 18430, 19655, 20615, 21049, 25802, 27517, 30070, 39310, 41230, 42098, 55034, 57133, 64505, 74689, 105245, 114266, 121861, 129010, 137585, 149378, 210490, 243722, 275170, 285665, 373445, 381307, 399931, 522823, 571330, 609305, 746890, 762614, 799862, 853027, 1045646, 1218610, 1706054, 1906535, 1999655, 2315359, 2614115, 2669149, 3813070, 3999310, 4265135, 4630718, 5228230, 5338298, 7244833, 8530270, 11576795, 11820517, 13345745, 14489666, 16207513, 23153590, 23641034, 26691490, 32415026, 36224165, 50713831, 59102585, 72448330, 81037565, 82743619, 101427662, 118205170, 162075130, 165487238, 224589823, 253569155, 413718095, 449179646, 507138310, 827436190, 1122949115, 1572128761, 2245898230, 3144257522, 7860643805, 15721287610]

約数ペア:

[(1, 15721287610), (2, 7860643805), (5, 3144257522), (7, 2245898230), (10, 1572128761), (14, 1122949115), (19, 827436190), (31, 507138310), (35, 449179646), (38, 413718095), (62, 253569155), (70, 224589823), (95, 165487238), (97, 162075130), (133, 118205170), (155, 101427662), (190, 82743619), (194, 81037565), (217, 72448330), (266, 59102585), (310, 50713831), (434, 36224165), (485, 32415026), (589, 26691490), (665, 23641034), (679, 23153590), (970, 16207513), (1085, 14489666), (1178, 13345745), (1330, 11820517), (1358, 11576795), (1843, 8530270), (2170, 7244833), (2945, 5338298), (3007, 5228230), (3395, 4630718), (3686, 4265135), (3931, 3999310), (4123, 3813070), (5890, 2669149), (6014, 2614115), (6790, 2315359), (7862, 1999655), (8246, 1906535), (9215, 1706054), (12901, 1218610), (15035, 1045646), (18430, 853027), (19655, 799862), (20615, 762614), (21049, 746890), (25802, 609305), (27517, 571330), (30070, 522823), (39310, 399931), (41230, 381307), (42098, 373445), (55034, 285665), (57133, 275170), (64505, 243722), (74689, 210490), (105245, 149378), (114266, 137585), (121861, 129010)]