155386880

素因数分解:

$2^{10}\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:156

約数の個数: 176

約数和(自身を含む): 424465920

約数和(自身を除く): 269079040

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, 2480, 2560, 2728, 2759, 2816, 2848, 3410, 3520, 3560, 3916, 3968, 4895, 4960, 5120, 5456, 5518, 5632, 5696, 6820, 7040, 7120, 7832, 7936, 9790, 9920, 10912, 11036, 11264, 11392, 13640, 13795, 14080, 14240, 15664, 15872, 19580, 19840, 21824, 22072, 22784, 27280, 27590, 28160, 28480, 30349, 31328, 31744, 39160, 39680, 43648, 44144, 45568, 54560, 55180, 56320, 56960, 60698, 62656, 78320, 79360, 87296, 88288, 91136, 109120, 110360, 113920, 121396, 125312, 151745, 156640, 158720, 174592, 176576, 218240, 220720, 227840, 242792, 250624, 303490, 313280, 349184, 353152, 436480, 441440, 455680, 485584, 501248, 606980, 626560, 706304, 872960, 882880, 971168, 1002496, 1213960, 1253120, 1412608, 1745920, 1765760, 1942336, 2427920, 2506240, 2825216, 3531520, 3884672, 4855840, 5012480, 7063040, 7769344, 9711680, 14126080, 15538688, 19423360, 31077376, 38846720, 77693440, 155386880]

約数ペア:

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