621547520

素因数分解:

$2^{12}\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:160

約数の個数: 208

約数和(自身を含む): 1698485760

約数和(自身を除く): 1076938240

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 55, 62, 64, 80, 88, 89, 110, 124, 128, 155, 160, 176, 178, 220, 248, 256, 310, 320, 341, 352, 356, 440, 445, 496, 512, 620, 640, 682, 704, 712, 880, 890, 979, 992, 1024, 1240, 1280, 1364, 1408, 1424, 1705, 1760, 1780, 1958, 1984, 2048, 2480, 2560, 2728, 2759, 2816, 2848, 3410, 3520, 3560, 3916, 3968, 4096, 4895, 4960, 5120, 5456, 5518, 5632, 5696, 6820, 7040, 7120, 7832, 7936, 9790, 9920, 10240, 10912, 11036, 11264, 11392, 13640, 13795, 14080, 14240, 15664, 15872, 19580, 19840, 20480, 21824, 22072, 22528, 22784, 27280, 27590, 28160, 28480, 30349, 31328, 31744, 39160, 39680, 43648, 44144, 45056, 45568, 54560, 55180, 56320, 56960, 60698, 62656, 63488, 78320, 79360, 87296, 88288, 91136, 109120, 110360, 112640, 113920, 121396, 125312, 126976, 151745, 156640, 158720, 174592, 176576, 182272, 218240, 220720, 225280, 227840, 242792, 250624, 303490, 313280, 317440, 349184, 353152, 364544, 436480, 441440, 455680, 485584, 501248, 606980, 626560, 634880, 698368, 706304, 872960, 882880, 911360, 971168, 1002496, 1213960, 1253120, 1396736, 1412608, 1745920, 1765760, 1822720, 1942336, 2004992, 2427920, 2506240, 2825216, 3491840, 3531520, 3884672, 4009984, 4855840, 5012480, 5650432, 6983680, 7063040, 7769344, 9711680, 10024960, 11300864, 14126080, 15538688, 19423360, 20049920, 28252160, 31077376, 38846720, 56504320, 62154752, 77693440, 124309504, 155386880, 310773760, 621547520]

約数ペア:

[(1, 621547520), (2, 310773760), (4, 155386880), (5, 124309504), (8, 77693440), (10, 62154752), (11, 56504320), (16, 38846720), (20, 31077376), (22, 28252160), (31, 20049920), (32, 19423360), (40, 15538688), (44, 14126080), (55, 11300864), (62, 10024960), (64, 9711680), (80, 7769344), (88, 7063040), (89, 6983680), (110, 5650432), (124, 5012480), (128, 4855840), (155, 4009984), (160, 3884672), (176, 3531520), (178, 3491840), (220, 2825216), (248, 2506240), (256, 2427920), (310, 2004992), (320, 1942336), (341, 1822720), (352, 1765760), (356, 1745920), (440, 1412608), (445, 1396736), (496, 1253120), (512, 1213960), (620, 1002496), (640, 971168), (682, 911360), (704, 882880), (712, 872960), (880, 706304), (890, 698368), (979, 634880), (992, 626560), (1024, 606980), (1240, 501248), (1280, 485584), (1364, 455680), (1408, 441440), (1424, 436480), (1705, 364544), (1760, 353152), (1780, 349184), (1958, 317440), (1984, 313280), (2048, 303490), (2480, 250624), (2560, 242792), (2728, 227840), (2759, 225280), (2816, 220720), (2848, 218240), (3410, 182272), (3520, 176576), (3560, 174592), (3916, 158720), (3968, 156640), (4096, 151745), (4895, 126976), (4960, 125312), (5120, 121396), (5456, 113920), (5518, 112640), (5632, 110360), (5696, 109120), (6820, 91136), (7040, 88288), (7120, 87296), (7832, 79360), (7936, 78320), (9790, 63488), (9920, 62656), (10240, 60698), (10912, 56960), (11036, 56320), (11264, 55180), (11392, 54560), (13640, 45568), (13795, 45056), (14080, 44144), (14240, 43648), (15664, 39680), (15872, 39160), (19580, 31744), (19840, 31328), (20480, 30349), (21824, 28480), (22072, 28160), (22528, 27590), (22784, 27280)]