231369840

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1301}}^1$

素因数の和:1352

約数の個数: 240

約数和(自身を含む): 881506080

約数和(自身を除く): 650136240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 19, 20, 24, 26, 30, 36, 38, 39, 40, 45, 48, 52, 57, 60, 65, 72, 76, 78, 80, 90, 95, 104, 114, 117, 120, 130, 144, 152, 156, 171, 180, 190, 195, 208, 228, 234, 240, 247, 260, 285, 304, 312, 342, 360, 380, 390, 456, 468, 494, 520, 570, 585, 624, 684, 720, 741, 760, 780, 855, 912, 936, 988, 1040, 1140, 1170, 1235, 1301, 1368, 1482, 1520, 1560, 1710, 1872, 1976, 2223, 2280, 2340, 2470, 2602, 2736, 2964, 3120, 3420, 3705, 3903, 3952, 4446, 4560, 4680, 4940, 5204, 5928, 6505, 6840, 7410, 7806, 8892, 9360, 9880, 10408, 11115, 11709, 11856, 13010, 13680, 14820, 15612, 16913, 17784, 19515, 19760, 20816, 22230, 23418, 24719, 26020, 29640, 31224, 33826, 35568, 39030, 44460, 46836, 49438, 50739, 52040, 58545, 59280, 62448, 67652, 74157, 78060, 84565, 88920, 93672, 98876, 101478, 104080, 117090, 123595, 135304, 148314, 152217, 156120, 169130, 177840, 187344, 197752, 202956, 222471, 234180, 247190, 253695, 270608, 296628, 304434, 312240, 321347, 338260, 370785, 395504, 405912, 444942, 468360, 494380, 507390, 593256, 608868, 642694, 676520, 741570, 761085, 811824, 889884, 936720, 964041, 988760, 1014780, 1112355, 1186512, 1217736, 1285388, 1353040, 1483140, 1522170, 1606735, 1779768, 1928082, 1977520, 2029560, 2224710, 2435472, 2570776, 2892123, 2966280, 3044340, 3213470, 3559536, 3856164, 4059120, 4449420, 4820205, 5141552, 5784246, 5932560, 6088680, 6426940, 7712328, 8898840, 9640410, 11568492, 12177360, 12853880, 14460615, 15424656, 17797680, 19280820, 23136984, 25707760, 28921230, 38561640, 46273968, 57842460, 77123280, 115684920, 231369840]

約数ペア:

[(1, 231369840), (2, 115684920), (3, 77123280), (4, 57842460), (5, 46273968), (6, 38561640), (8, 28921230), (9, 25707760), (10, 23136984), (12, 19280820), (13, 17797680), (15, 15424656), (16, 14460615), (18, 12853880), (19, 12177360), (20, 11568492), (24, 9640410), (26, 8898840), (30, 7712328), (36, 6426940), (38, 6088680), (39, 5932560), (40, 5784246), (45, 5141552), (48, 4820205), (52, 4449420), (57, 4059120), (60, 3856164), (65, 3559536), (72, 3213470), (76, 3044340), (78, 2966280), (80, 2892123), (90, 2570776), (95, 2435472), (104, 2224710), (114, 2029560), (117, 1977520), (120, 1928082), (130, 1779768), (144, 1606735), (152, 1522170), (156, 1483140), (171, 1353040), (180, 1285388), (190, 1217736), (195, 1186512), (208, 1112355), (228, 1014780), (234, 988760), (240, 964041), (247, 936720), (260, 889884), (285, 811824), (304, 761085), (312, 741570), (342, 676520), (360, 642694), (380, 608868), (390, 593256), (456, 507390), (468, 494380), (494, 468360), (520, 444942), (570, 405912), (585, 395504), (624, 370785), (684, 338260), (720, 321347), (741, 312240), (760, 304434), (780, 296628), (855, 270608), (912, 253695), (936, 247190), (988, 234180), (1040, 222471), (1140, 202956), (1170, 197752), (1235, 187344), (1301, 177840), (1368, 169130), (1482, 156120), (1520, 152217), (1560, 148314), (1710, 135304), (1872, 123595), (1976, 117090), (2223, 104080), (2280, 101478), (2340, 98876), (2470, 93672), (2602, 88920), (2736, 84565), (2964, 78060), (3120, 74157), (3420, 67652), (3705, 62448), (3903, 59280), (3952, 58545), (4446, 52040), (4560, 50739), (4680, 49438), (4940, 46836), (5204, 44460), (5928, 39030), (6505, 35568), (6840, 33826), (7410, 31224), (7806, 29640), (8892, 26020), (9360, 24719), (9880, 23418), (10408, 22230), (11115, 20816), (11709, 19760), (11856, 19515), (13010, 17784), (13680, 16913), (14820, 15612)]