51804720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{211}}^1$

素因数の和:272

約数の個数: 240

約数和(自身を含む): 196844544

約数和(自身を除く): 145039824

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 31, 33, 36, 40, 44, 45, 48, 55, 60, 62, 66, 72, 80, 88, 90, 93, 99, 110, 120, 124, 132, 144, 155, 165, 176, 180, 186, 198, 211, 220, 240, 248, 264, 279, 310, 330, 341, 360, 372, 396, 422, 440, 465, 495, 496, 528, 558, 620, 633, 660, 682, 720, 744, 792, 844, 880, 930, 990, 1023, 1055, 1116, 1240, 1266, 1320, 1364, 1395, 1488, 1584, 1688, 1705, 1860, 1899, 1980, 2046, 2110, 2232, 2321, 2480, 2532, 2640, 2728, 2790, 3069, 3165, 3376, 3410, 3720, 3798, 3960, 4092, 4220, 4464, 4642, 5064, 5115, 5456, 5580, 6138, 6330, 6541, 6820, 6963, 7440, 7596, 7920, 8184, 8440, 9284, 9495, 10128, 10230, 11160, 11605, 12276, 12660, 13082, 13640, 13926, 15192, 15345, 16368, 16880, 18568, 18990, 19623, 20460, 20889, 22320, 23210, 24552, 25320, 26164, 27280, 27852, 30384, 30690, 32705, 34815, 37136, 37980, 39246, 40920, 41778, 46420, 49104, 50640, 52328, 55704, 58869, 61380, 65410, 69630, 71951, 75960, 78492, 81840, 83556, 92840, 98115, 104445, 104656, 111408, 117738, 122760, 130820, 139260, 143902, 151920, 156984, 167112, 185680, 196230, 208890, 215853, 235476, 245520, 261640, 278520, 287804, 294345, 313968, 334224, 359755, 392460, 417780, 431706, 470952, 523280, 557040, 575608, 588690, 647559, 719510, 784920, 835560, 863412, 941904, 1079265, 1151216, 1177380, 1295118, 1439020, 1569840, 1671120, 1726824, 2158530, 2354760, 2590236, 2878040, 3237795, 3453648, 4317060, 4709520, 5180472, 5756080, 6475590, 8634120, 10360944, 12951180, 17268240, 25902360, 51804720]

約数ペア:

[(1, 51804720), (2, 25902360), (3, 17268240), (4, 12951180), (5, 10360944), (6, 8634120), (8, 6475590), (9, 5756080), (10, 5180472), (11, 4709520), (12, 4317060), (15, 3453648), (16, 3237795), (18, 2878040), (20, 2590236), (22, 2354760), (24, 2158530), (30, 1726824), (31, 1671120), (33, 1569840), (36, 1439020), (40, 1295118), (44, 1177380), (45, 1151216), (48, 1079265), (55, 941904), (60, 863412), (62, 835560), (66, 784920), (72, 719510), (80, 647559), (88, 588690), (90, 575608), (93, 557040), (99, 523280), (110, 470952), (120, 431706), (124, 417780), (132, 392460), (144, 359755), (155, 334224), (165, 313968), (176, 294345), (180, 287804), (186, 278520), (198, 261640), (211, 245520), (220, 235476), (240, 215853), (248, 208890), (264, 196230), (279, 185680), (310, 167112), (330, 156984), (341, 151920), (360, 143902), (372, 139260), (396, 130820), (422, 122760), (440, 117738), (465, 111408), (495, 104656), (496, 104445), (528, 98115), (558, 92840), (620, 83556), (633, 81840), (660, 78492), (682, 75960), (720, 71951), (744, 69630), (792, 65410), (844, 61380), (880, 58869), (930, 55704), (990, 52328), (1023, 50640), (1055, 49104), (1116, 46420), (1240, 41778), (1266, 40920), (1320, 39246), (1364, 37980), (1395, 37136), (1488, 34815), (1584, 32705), (1688, 30690), (1705, 30384), (1860, 27852), (1899, 27280), (1980, 26164), (2046, 25320), (2110, 24552), (2232, 23210), (2321, 22320), (2480, 20889), (2532, 20460), (2640, 19623), (2728, 18990), (2790, 18568), (3069, 16880), (3165, 16368), (3376, 15345), (3410, 15192), (3720, 13926), (3798, 13640), (3960, 13082), (4092, 12660), (4220, 12276), (4464, 11605), (4642, 11160), (5064, 10230), (5115, 10128), (5456, 9495), (5580, 9284), (6138, 8440), (6330, 8184), (6541, 7920), (6820, 7596), (6963, 7440)]