495841280

素因数分解:

$2^{12}\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:142

約数の個数: 208

約数和(自身を含む): 1358788608

約数和(自身を除く): 862947328

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 55, 62, 64, 71, 80, 88, 110, 124, 128, 142, 155, 160, 176, 220, 248, 256, 284, 310, 320, 341, 352, 355, 440, 496, 512, 568, 620, 640, 682, 704, 710, 781, 880, 992, 1024, 1136, 1240, 1280, 1364, 1408, 1420, 1562, 1705, 1760, 1984, 2048, 2201, 2272, 2480, 2560, 2728, 2816, 2840, 3124, 3410, 3520, 3905, 3968, 4096, 4402, 4544, 4960, 5120, 5456, 5632, 5680, 6248, 6820, 7040, 7810, 7936, 8804, 9088, 9920, 10240, 10912, 11005, 11264, 11360, 12496, 13640, 14080, 15620, 15872, 17608, 18176, 19840, 20480, 21824, 22010, 22528, 22720, 24211, 24992, 27280, 28160, 31240, 31744, 35216, 36352, 39680, 43648, 44020, 45056, 45440, 48422, 49984, 54560, 56320, 62480, 63488, 70432, 72704, 79360, 87296, 88040, 90880, 96844, 99968, 109120, 112640, 121055, 124960, 126976, 140864, 145408, 158720, 174592, 176080, 181760, 193688, 199936, 218240, 225280, 242110, 249920, 281728, 290816, 317440, 349184, 352160, 363520, 387376, 399872, 436480, 484220, 499840, 563456, 634880, 698368, 704320, 727040, 774752, 799744, 872960, 968440, 999680, 1126912, 1396736, 1408640, 1454080, 1549504, 1599488, 1745920, 1936880, 1999360, 2253824, 2817280, 3099008, 3198976, 3491840, 3873760, 3998720, 4507648, 5634560, 6198016, 6983680, 7747520, 7997440, 9015296, 11269120, 12396032, 15495040, 15994880, 22538240, 24792064, 30990080, 45076480, 49584128, 61980160, 99168256, 123960320, 247920640, 495841280]

約数ペア:

[(1, 495841280), (2, 247920640), (4, 123960320), (5, 99168256), (8, 61980160), (10, 49584128), (11, 45076480), (16, 30990080), (20, 24792064), (22, 22538240), (31, 15994880), (32, 15495040), (40, 12396032), (44, 11269120), (55, 9015296), (62, 7997440), (64, 7747520), (71, 6983680), (80, 6198016), (88, 5634560), (110, 4507648), (124, 3998720), (128, 3873760), (142, 3491840), (155, 3198976), (160, 3099008), (176, 2817280), (220, 2253824), (248, 1999360), (256, 1936880), (284, 1745920), (310, 1599488), (320, 1549504), (341, 1454080), (352, 1408640), (355, 1396736), (440, 1126912), (496, 999680), (512, 968440), (568, 872960), (620, 799744), (640, 774752), (682, 727040), (704, 704320), (710, 698368), (781, 634880), (880, 563456), (992, 499840), (1024, 484220), (1136, 436480), (1240, 399872), (1280, 387376), (1364, 363520), (1408, 352160), (1420, 349184), (1562, 317440), (1705, 290816), (1760, 281728), (1984, 249920), (2048, 242110), (2201, 225280), (2272, 218240), (2480, 199936), (2560, 193688), (2728, 181760), (2816, 176080), (2840, 174592), (3124, 158720), (3410, 145408), (3520, 140864), (3905, 126976), (3968, 124960), (4096, 121055), (4402, 112640), (4544, 109120), (4960, 99968), (5120, 96844), (5456, 90880), (5632, 88040), (5680, 87296), (6248, 79360), (6820, 72704), (7040, 70432), (7810, 63488), (7936, 62480), (8804, 56320), (9088, 54560), (9920, 49984), (10240, 48422), (10912, 45440), (11005, 45056), (11264, 44020), (11360, 43648), (12496, 39680), (13640, 36352), (14080, 35216), (15620, 31744), (15872, 31240), (17608, 28160), (18176, 27280), (19840, 24992), (20480, 24211), (21824, 22720), (22010, 22528)]