321249280

素因数分解:

$2^{13}\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1$

素因数の和:96

約数の個数: 224

約数和(自身を含む): 905914368

約数和(自身を除く): 584665088

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 31, 32, 40, 44, 46, 55, 62, 64, 80, 88, 92, 110, 115, 124, 128, 155, 160, 176, 184, 220, 230, 248, 253, 256, 310, 320, 341, 352, 368, 440, 460, 496, 506, 512, 620, 640, 682, 704, 713, 736, 880, 920, 992, 1012, 1024, 1240, 1265, 1280, 1364, 1408, 1426, 1472, 1705, 1760, 1840, 1984, 2024, 2048, 2480, 2530, 2560, 2728, 2816, 2852, 2944, 3410, 3520, 3565, 3680, 3968, 4048, 4096, 4960, 5060, 5120, 5456, 5632, 5704, 5888, 6820, 7040, 7130, 7360, 7843, 7936, 8096, 8192, 9920, 10120, 10240, 10912, 11264, 11408, 11776, 13640, 14080, 14260, 14720, 15686, 15872, 16192, 19840, 20240, 20480, 21824, 22528, 22816, 23552, 27280, 28160, 28520, 29440, 31372, 31744, 32384, 39215, 39680, 40480, 40960, 43648, 45056, 45632, 47104, 54560, 56320, 57040, 58880, 62744, 63488, 64768, 78430, 79360, 80960, 87296, 90112, 91264, 94208, 109120, 112640, 114080, 117760, 125488, 126976, 129536, 156860, 158720, 161920, 174592, 182528, 188416, 218240, 225280, 228160, 235520, 250976, 253952, 259072, 313720, 317440, 323840, 349184, 365056, 436480, 450560, 456320, 471040, 501952, 518144, 627440, 634880, 647680, 698368, 730112, 872960, 912640, 942080, 1003904, 1036288, 1254880, 1269760, 1295360, 1396736, 1460224, 1745920, 1825280, 2007808, 2072576, 2509760, 2590720, 2793472, 2920448, 3491840, 3650560, 4015616, 5019520, 5181440, 5840896, 6983680, 7301120, 8031232, 10039040, 10362880, 13967360, 14602240, 16062464, 20078080, 29204480, 32124928, 40156160, 64249856, 80312320, 160624640, 321249280]

約数ペア:

[(1, 321249280), (2, 160624640), (4, 80312320), (5, 64249856), (8, 40156160), (10, 32124928), (11, 29204480), (16, 20078080), (20, 16062464), (22, 14602240), (23, 13967360), (31, 10362880), (32, 10039040), (40, 8031232), (44, 7301120), (46, 6983680), (55, 5840896), (62, 5181440), (64, 5019520), (80, 4015616), (88, 3650560), (92, 3491840), (110, 2920448), (115, 2793472), (124, 2590720), (128, 2509760), (155, 2072576), (160, 2007808), (176, 1825280), (184, 1745920), (220, 1460224), (230, 1396736), (248, 1295360), (253, 1269760), (256, 1254880), (310, 1036288), (320, 1003904), (341, 942080), (352, 912640), (368, 872960), (440, 730112), (460, 698368), (496, 647680), (506, 634880), (512, 627440), (620, 518144), (640, 501952), (682, 471040), (704, 456320), (713, 450560), (736, 436480), (880, 365056), (920, 349184), (992, 323840), (1012, 317440), (1024, 313720), (1240, 259072), (1265, 253952), (1280, 250976), (1364, 235520), (1408, 228160), (1426, 225280), (1472, 218240), (1705, 188416), (1760, 182528), (1840, 174592), (1984, 161920), (2024, 158720), (2048, 156860), (2480, 129536), (2530, 126976), (2560, 125488), (2728, 117760), (2816, 114080), (2852, 112640), (2944, 109120), (3410, 94208), (3520, 91264), (3565, 90112), (3680, 87296), (3968, 80960), (4048, 79360), (4096, 78430), (4960, 64768), (5060, 63488), (5120, 62744), (5456, 58880), (5632, 57040), (5704, 56320), (5888, 54560), (6820, 47104), (7040, 45632), (7130, 45056), (7360, 43648), (7843, 40960), (7936, 40480), (8096, 39680), (8192, 39215), (9920, 32384), (10120, 31744), (10240, 31372), (10912, 29440), (11264, 28520), (11408, 28160), (11776, 27280), (13640, 23552), (14080, 22816), (14260, 22528), (14720, 21824), (15686, 20480), (15872, 20240), (16192, 19840)]