656465920

素因数分解:

$2^{13}\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1$

素因数の和:120

約数の個数: 224

約数和(自身を含む): 1811828736

約数和(自身を除く): 1155362816

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 47, 55, 62, 64, 80, 88, 94, 110, 124, 128, 155, 160, 176, 188, 220, 235, 248, 256, 310, 320, 341, 352, 376, 440, 470, 496, 512, 517, 620, 640, 682, 704, 752, 880, 940, 992, 1024, 1034, 1240, 1280, 1364, 1408, 1457, 1504, 1705, 1760, 1880, 1984, 2048, 2068, 2480, 2560, 2585, 2728, 2816, 2914, 3008, 3410, 3520, 3760, 3968, 4096, 4136, 4960, 5120, 5170, 5456, 5632, 5828, 6016, 6820, 7040, 7285, 7520, 7936, 8192, 8272, 9920, 10240, 10340, 10912, 11264, 11656, 12032, 13640, 14080, 14570, 15040, 15872, 16027, 16544, 19840, 20480, 20680, 21824, 22528, 23312, 24064, 27280, 28160, 29140, 30080, 31744, 32054, 33088, 39680, 40960, 41360, 43648, 45056, 46624, 48128, 54560, 56320, 58280, 60160, 63488, 64108, 66176, 79360, 80135, 82720, 87296, 90112, 93248, 96256, 109120, 112640, 116560, 120320, 126976, 128216, 132352, 158720, 160270, 165440, 174592, 186496, 192512, 218240, 225280, 233120, 240640, 253952, 256432, 264704, 317440, 320540, 330880, 349184, 372992, 385024, 436480, 450560, 466240, 481280, 512864, 529408, 634880, 641080, 661760, 698368, 745984, 872960, 932480, 962560, 1025728, 1058816, 1269760, 1282160, 1323520, 1396736, 1491968, 1745920, 1864960, 1925120, 2051456, 2117632, 2564320, 2647040, 2793472, 2983936, 3491840, 3729920, 4102912, 4235264, 5128640, 5294080, 5967872, 6983680, 7459840, 8205824, 10257280, 10588160, 11935744, 13967360, 14919680, 16411648, 20514560, 21176320, 29839360, 32823296, 41029120, 59678720, 65646592, 82058240, 131293184, 164116480, 328232960, 656465920]

約数ペア:

[(1, 656465920), (2, 328232960), (4, 164116480), (5, 131293184), (8, 82058240), (10, 65646592), (11, 59678720), (16, 41029120), (20, 32823296), (22, 29839360), (31, 21176320), (32, 20514560), (40, 16411648), (44, 14919680), (47, 13967360), (55, 11935744), (62, 10588160), (64, 10257280), (80, 8205824), (88, 7459840), (94, 6983680), (110, 5967872), (124, 5294080), (128, 5128640), (155, 4235264), (160, 4102912), (176, 3729920), (188, 3491840), (220, 2983936), (235, 2793472), (248, 2647040), (256, 2564320), (310, 2117632), (320, 2051456), (341, 1925120), (352, 1864960), (376, 1745920), (440, 1491968), (470, 1396736), (496, 1323520), (512, 1282160), (517, 1269760), (620, 1058816), (640, 1025728), (682, 962560), (704, 932480), (752, 872960), (880, 745984), (940, 698368), (992, 661760), (1024, 641080), (1034, 634880), (1240, 529408), (1280, 512864), (1364, 481280), (1408, 466240), (1457, 450560), (1504, 436480), (1705, 385024), (1760, 372992), (1880, 349184), (1984, 330880), (2048, 320540), (2068, 317440), (2480, 264704), (2560, 256432), (2585, 253952), (2728, 240640), (2816, 233120), (2914, 225280), (3008, 218240), (3410, 192512), (3520, 186496), (3760, 174592), (3968, 165440), (4096, 160270), (4136, 158720), (4960, 132352), (5120, 128216), (5170, 126976), (5456, 120320), (5632, 116560), (5828, 112640), (6016, 109120), (6820, 96256), (7040, 93248), (7285, 90112), (7520, 87296), (7936, 82720), (8192, 80135), (8272, 79360), (9920, 66176), (10240, 64108), (10340, 63488), (10912, 60160), (11264, 58280), (11656, 56320), (12032, 54560), (13640, 48128), (14080, 46624), (14570, 45056), (15040, 43648), (15872, 41360), (16027, 40960), (16544, 39680), (19840, 33088), (20480, 32054), (20680, 31744), (21824, 30080), (22528, 29140), (23312, 28160), (24064, 27280)]