639810241488

素因数分解:

$2^4\times 3^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{178489}}^1$

素因数の和:178618

約数の個数: 240

約数和(自身を含む): 2044004651520

約数和(自身を除く): 1404194410032

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 31, 33, 36, 44, 48, 62, 66, 72, 73, 88, 93, 99, 124, 132, 144, 146, 176, 186, 198, 219, 248, 264, 279, 292, 341, 372, 396, 438, 496, 528, 558, 584, 657, 682, 744, 792, 803, 876, 1023, 1116, 1168, 1314, 1364, 1488, 1584, 1606, 1752, 2046, 2232, 2263, 2409, 2628, 2728, 3069, 3212, 3504, 4092, 4464, 4526, 4818, 5256, 5456, 6138, 6424, 6789, 7227, 8184, 9052, 9636, 10512, 12276, 12848, 13578, 14454, 16368, 18104, 19272, 20367, 24552, 24893, 27156, 28908, 36208, 38544, 40734, 49104, 49786, 54312, 57816, 74679, 81468, 99572, 108624, 115632, 149358, 162936, 178489, 199144, 224037, 298716, 325872, 356978, 398288, 448074, 535467, 597432, 713956, 896148, 1070934, 1194864, 1427912, 1606401, 1792296, 1963379, 2141868, 2855824, 3212802, 3584592, 3926758, 4283736, 5533159, 5890137, 6425604, 7853516, 8567472, 11066318, 11780274, 12851208, 13029697, 15707032, 16599477, 17670411, 22132636, 23560548, 25702416, 26059394, 31414064, 33198954, 35340822, 39089091, 44265272, 47121096, 49798431, 52118788, 60864749, 66397908, 70681644, 78178182, 88530544, 94242192, 99596862, 104237576, 117267273, 121729498, 132795816, 141363288, 143326667, 156356364, 182594247, 199193724, 208475152, 234534546, 243458996, 265591632, 282726576, 286653334, 312712728, 365188494, 398387448, 403920607, 429980001, 469069092, 486917992, 547782741, 573306668, 625425456, 730376988, 796774896, 807841214, 859960002, 938138184, 973835984, 1095565482, 1146613336, 1211761821, 1289940003, 1460753976, 1615682428, 1719920004, 1876276368, 2191130964, 2293226672, 2423523642, 2579880006, 2921507952, 3231364856, 3439840008, 3635285463, 4382261928, 4443126677, 4847047284, 5159760012, 6462729712, 6879680016, 7270570926, 8764523856, 8886253354, 9694094568, 10319520024, 13329380031, 14541141852, 17772506708, 19388189136, 20639040048, 26658760062, 29082283704, 35545013416, 39988140093, 53317520124, 58164567408, 71090026832, 79976280186, 106635040248, 159952560372, 213270080496, 319905120744, 639810241488]

約数ペア:

[(1, 639810241488), (2, 319905120744), (3, 213270080496), (4, 159952560372), (6, 106635040248), (8, 79976280186), (9, 71090026832), (11, 58164567408), (12, 53317520124), (16, 39988140093), (18, 35545013416), (22, 29082283704), (24, 26658760062), (31, 20639040048), (33, 19388189136), (36, 17772506708), (44, 14541141852), (48, 13329380031), (62, 10319520024), (66, 9694094568), (72, 8886253354), (73, 8764523856), (88, 7270570926), (93, 6879680016), (99, 6462729712), (124, 5159760012), (132, 4847047284), (144, 4443126677), (146, 4382261928), (176, 3635285463), (186, 3439840008), (198, 3231364856), (219, 2921507952), (248, 2579880006), (264, 2423523642), (279, 2293226672), (292, 2191130964), (341, 1876276368), (372, 1719920004), (396, 1615682428), (438, 1460753976), (496, 1289940003), (528, 1211761821), (558, 1146613336), (584, 1095565482), (657, 973835984), (682, 938138184), (744, 859960002), (792, 807841214), (803, 796774896), (876, 730376988), (1023, 625425456), (1116, 573306668), (1168, 547782741), (1314, 486917992), (1364, 469069092), (1488, 429980001), (1584, 403920607), (1606, 398387448), (1752, 365188494), (2046, 312712728), (2232, 286653334), (2263, 282726576), (2409, 265591632), (2628, 243458996), (2728, 234534546), (3069, 208475152), (3212, 199193724), (3504, 182594247), (4092, 156356364), (4464, 143326667), (4526, 141363288), (4818, 132795816), (5256, 121729498), (5456, 117267273), (6138, 104237576), (6424, 99596862), (6789, 94242192), (7227, 88530544), (8184, 78178182), (9052, 70681644), (9636, 66397908), (10512, 60864749), (12276, 52118788), (12848, 49798431), (13578, 47121096), (14454, 44265272), (16368, 39089091), (18104, 35340822), (19272, 33198954), (20367, 31414064), (24552, 26059394), (24893, 25702416), (27156, 23560548), (28908, 22132636), (36208, 17670411), (38544, 16599477), (40734, 15707032), (49104, 13029697), (49786, 12851208), (54312, 11780274), (57816, 11066318), (74679, 8567472), (81468, 7853516), (99572, 6425604), (108624, 5890137), (115632, 5533159), (149358, 4283736), (162936, 3926758), (178489, 3584592), (199144, 3212802), (224037, 2855824), (298716, 2141868), (325872, 1963379), (356978, 1792296), (398288, 1606401), (448074, 1427912), (535467, 1194864), (597432, 1070934), (713956, 896148)]