18957649280

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1\times {\mathrm{283}}^1$

素因数の和:497

約数の個数: 256

約数和(自身を含む): 49556136960

約数和(自身を除く): 30598487680

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 47, 64, 68, 80, 85, 94, 128, 131, 136, 160, 170, 188, 235, 262, 272, 283, 320, 340, 376, 470, 524, 544, 566, 640, 655, 680, 752, 799, 940, 1048, 1088, 1132, 1310, 1360, 1415, 1504, 1598, 1880, 2096, 2176, 2227, 2264, 2620, 2720, 2830, 3008, 3196, 3760, 3995, 4192, 4454, 4528, 4811, 5240, 5440, 5660, 6016, 6157, 6392, 7520, 7990, 8384, 8908, 9056, 9622, 10480, 10880, 11135, 11320, 12314, 12784, 13301, 15040, 15980, 16768, 17816, 18112, 19244, 20960, 22270, 22640, 24055, 24628, 25568, 26602, 30080, 30785, 31960, 35632, 36224, 37073, 38488, 41920, 44540, 45280, 48110, 49256, 51136, 53204, 61570, 63920, 66505, 71264, 74146, 76976, 83840, 89080, 90560, 96220, 98512, 102272, 104669, 106408, 123140, 127840, 133010, 142528, 148292, 153952, 178160, 181120, 185365, 192440, 197024, 209338, 212816, 226117, 246280, 255680, 266020, 285056, 296584, 307904, 356320, 370730, 384880, 394048, 418676, 425632, 452234, 492560, 511360, 523345, 532040, 593168, 615808, 630241, 712640, 741460, 769760, 788096, 837352, 851264, 904468, 985120, 1046690, 1064080, 1130585, 1186336, 1260482, 1425280, 1482920, 1539520, 1674704, 1702528, 1742431, 1808936, 1970240, 2093380, 2128160, 2261170, 2372672, 2520964, 2965840, 3079040, 3151205, 3349408, 3484862, 3617872, 3940480, 4186760, 4256320, 4522340, 4745344, 5041928, 5931680, 6302410, 6698816, 6969724, 7235744, 8373520, 8512640, 8712155, 9044680, 10083856, 11863360, 12604820, 13397632, 13939448, 14471488, 16747040, 17424310, 18089360, 20167712, 23726720, 25209640, 27878896, 28942976, 29621327, 33494080, 34848620, 36178720, 40335424, 50419280, 55757792, 59242654, 66988160, 69697240, 72357440, 80670848, 100838560, 111515584, 118485308, 139394480, 144714880, 148106635, 201677120, 223031168, 236970616, 278788960, 296213270, 403354240, 473941232, 557577920, 592426540, 947882464, 1115155840, 1184853080, 1895764928, 2369706160, 3791529856, 4739412320, 9478824640, 18957649280]

約数ペア:

[(1, 18957649280), (2, 9478824640), (4, 4739412320), (5, 3791529856), (8, 2369706160), (10, 1895764928), (16, 1184853080), (17, 1115155840), (20, 947882464), (32, 592426540), (34, 557577920), (40, 473941232), (47, 403354240), (64, 296213270), (68, 278788960), (80, 236970616), (85, 223031168), (94, 201677120), (128, 148106635), (131, 144714880), (136, 139394480), (160, 118485308), (170, 111515584), (188, 100838560), (235, 80670848), (262, 72357440), (272, 69697240), (283, 66988160), (320, 59242654), (340, 55757792), (376, 50419280), (470, 40335424), (524, 36178720), (544, 34848620), (566, 33494080), (640, 29621327), (655, 28942976), (680, 27878896), (752, 25209640), (799, 23726720), (940, 20167712), (1048, 18089360), (1088, 17424310), (1132, 16747040), (1310, 14471488), (1360, 13939448), (1415, 13397632), (1504, 12604820), (1598, 11863360), (1880, 10083856), (2096, 9044680), (2176, 8712155), (2227, 8512640), (2264, 8373520), (2620, 7235744), (2720, 6969724), (2830, 6698816), (3008, 6302410), (3196, 5931680), (3760, 5041928), (3995, 4745344), (4192, 4522340), (4454, 4256320), (4528, 4186760), (4811, 3940480), (5240, 3617872), (5440, 3484862), (5660, 3349408), (6016, 3151205), (6157, 3079040), (6392, 2965840), (7520, 2520964), (7990, 2372672), (8384, 2261170), (8908, 2128160), (9056, 2093380), (9622, 1970240), (10480, 1808936), (10880, 1742431), (11135, 1702528), (11320, 1674704), (12314, 1539520), (12784, 1482920), (13301, 1425280), (15040, 1260482), (15980, 1186336), (16768, 1130585), (17816, 1064080), (18112, 1046690), (19244, 985120), (20960, 904468), (22270, 851264), (22640, 837352), (24055, 788096), (24628, 769760), (25568, 741460), (26602, 712640), (30080, 630241), (30785, 615808), (31960, 593168), (35632, 532040), (36224, 523345), (37073, 511360), (38488, 492560), (41920, 452234), (44540, 425632), (45280, 418676), (48110, 394048), (49256, 384880), (51136, 370730), (53204, 356320), (61570, 307904), (63920, 296584), (66505, 285056), (71264, 266020), (74146, 255680), (76976, 246280), (83840, 226117), (89080, 212816), (90560, 209338), (96220, 197024), (98512, 192440), (102272, 185365), (104669, 181120), (106408, 178160), (123140, 153952), (127840, 148292), (133010, 142528)]