21372759040

素因数分解:

$2^{10}\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^2$

素因数の和:251

約数の個数: 264

約数和(自身を含む): 56673274752

約数和(自身を除く): 35300515712

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 32, 34, 40, 62, 64, 68, 80, 85, 89, 124, 128, 136, 155, 160, 170, 178, 248, 256, 272, 310, 320, 340, 356, 445, 496, 512, 527, 544, 620, 640, 680, 712, 890, 992, 1024, 1054, 1088, 1240, 1280, 1360, 1424, 1513, 1780, 1984, 2108, 2176, 2480, 2560, 2635, 2720, 2759, 2848, 3026, 3560, 3968, 4216, 4352, 4960, 5120, 5270, 5440, 5518, 5696, 6052, 7120, 7565, 7921, 7936, 8432, 8704, 9920, 10540, 10880, 11036, 11392, 12104, 13795, 14240, 15130, 15842, 15872, 16864, 17408, 19840, 21080, 21760, 22072, 22784, 24208, 27590, 28480, 30260, 31684, 31744, 33728, 39605, 39680, 42160, 43520, 44144, 45568, 46903, 48416, 55180, 56960, 60520, 63368, 67456, 79210, 79360, 84320, 87040, 88288, 91136, 93806, 96832, 110360, 113920, 121040, 126736, 134657, 134912, 158420, 158720, 168640, 176576, 187612, 193664, 220720, 227840, 234515, 242080, 245551, 253472, 269314, 269824, 316840, 337280, 353152, 375224, 387328, 441440, 455680, 469030, 484160, 491102, 506944, 538628, 539648, 633680, 673285, 674560, 706304, 750448, 774656, 882880, 938060, 968320, 982204, 1013888, 1077256, 1227755, 1267360, 1346570, 1349120, 1412608, 1500896, 1549312, 1765760, 1876120, 1936640, 1964408, 2027776, 2154512, 2455510, 2534720, 2693140, 2698240, 2825216, 3001792, 3531520, 3752240, 3873280, 3928816, 4055552, 4174367, 4309024, 4911020, 5069440, 5386280, 6003584, 7063040, 7504480, 7746560, 7857632, 8111104, 8348734, 8618048, 9822040, 10138880, 10772560, 12007168, 14126080, 15008960, 15715264, 16697468, 17236096, 19644080, 20277760, 20871835, 21545120, 24014336, 30017920, 31430528, 33394936, 34472192, 39288160, 40555520, 41743670, 43090240, 48028672, 60035840, 62861056, 66789872, 68944384, 78576320, 83487340, 86180480, 120071680, 125722112, 133579744, 137888768, 157152640, 166974680, 172360960, 240143360, 251444224, 267159488, 314305280, 333949360, 344721920, 534318976, 628610560, 667898720, 689443840, 1068637952, 1257221120, 1335797440, 2137275904, 2671594880, 4274551808, 5343189760, 10686379520, 21372759040]

約数ペア:

[(1, 21372759040), (2, 10686379520), (4, 5343189760), (5, 4274551808), (8, 2671594880), (10, 2137275904), (16, 1335797440), (17, 1257221120), (20, 1068637952), (31, 689443840), (32, 667898720), (34, 628610560), (40, 534318976), (62, 344721920), (64, 333949360), (68, 314305280), (80, 267159488), (85, 251444224), (89, 240143360), (124, 172360960), (128, 166974680), (136, 157152640), (155, 137888768), (160, 133579744), (170, 125722112), (178, 120071680), (248, 86180480), (256, 83487340), (272, 78576320), (310, 68944384), (320, 66789872), (340, 62861056), (356, 60035840), (445, 48028672), (496, 43090240), (512, 41743670), (527, 40555520), (544, 39288160), (620, 34472192), (640, 33394936), (680, 31430528), (712, 30017920), (890, 24014336), (992, 21545120), (1024, 20871835), (1054, 20277760), (1088, 19644080), (1240, 17236096), (1280, 16697468), (1360, 15715264), (1424, 15008960), (1513, 14126080), (1780, 12007168), (1984, 10772560), (2108, 10138880), (2176, 9822040), (2480, 8618048), (2560, 8348734), (2635, 8111104), (2720, 7857632), (2759, 7746560), (2848, 7504480), (3026, 7063040), (3560, 6003584), (3968, 5386280), (4216, 5069440), (4352, 4911020), (4960, 4309024), (5120, 4174367), (5270, 4055552), (5440, 3928816), (5518, 3873280), (5696, 3752240), (6052, 3531520), (7120, 3001792), (7565, 2825216), (7921, 2698240), (7936, 2693140), (8432, 2534720), (8704, 2455510), (9920, 2154512), (10540, 2027776), (10880, 1964408), (11036, 1936640), (11392, 1876120), (12104, 1765760), (13795, 1549312), (14240, 1500896), (15130, 1412608), (15842, 1349120), (15872, 1346570), (16864, 1267360), (17408, 1227755), (19840, 1077256), (21080, 1013888), (21760, 982204), (22072, 968320), (22784, 938060), (24208, 882880), (27590, 774656), (28480, 750448), (30260, 706304), (31684, 674560), (31744, 673285), (33728, 633680), (39605, 539648), (39680, 538628), (42160, 506944), (43520, 491102), (44144, 484160), (45568, 469030), (46903, 455680), (48416, 441440), (55180, 387328), (56960, 375224), (60520, 353152), (63368, 337280), (67456, 316840), (79210, 269824), (79360, 269314), (84320, 253472), (87040, 245551), (88288, 242080), (91136, 234515), (93806, 227840), (96832, 220720), (110360, 193664), (113920, 187612), (121040, 176576), (126736, 168640), (134657, 158720), (134912, 158420)]