289822720

素因数分解:

$2^{11}\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1$

素因数の和:152

約数の個数: 192

約数和(自身を含む): 792529920

約数和(自身を除く): 502707200

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 55, 62, 64, 80, 83, 88, 110, 124, 128, 155, 160, 166, 176, 220, 248, 256, 310, 320, 332, 341, 352, 415, 440, 496, 512, 620, 640, 664, 682, 704, 830, 880, 913, 992, 1024, 1240, 1280, 1328, 1364, 1408, 1660, 1705, 1760, 1826, 1984, 2048, 2480, 2560, 2573, 2656, 2728, 2816, 3320, 3410, 3520, 3652, 3968, 4565, 4960, 5120, 5146, 5312, 5456, 5632, 6640, 6820, 7040, 7304, 7936, 9130, 9920, 10240, 10292, 10624, 10912, 11264, 12865, 13280, 13640, 14080, 14608, 15872, 18260, 19840, 20584, 21248, 21824, 22528, 25730, 26560, 27280, 28160, 28303, 29216, 31744, 36520, 39680, 41168, 42496, 43648, 51460, 53120, 54560, 56320, 56606, 58432, 63488, 73040, 79360, 82336, 84992, 87296, 102920, 106240, 109120, 112640, 113212, 116864, 141515, 146080, 158720, 164672, 169984, 174592, 205840, 212480, 218240, 226424, 233728, 283030, 292160, 317440, 329344, 349184, 411680, 424960, 436480, 452848, 467456, 566060, 584320, 658688, 698368, 823360, 849920, 872960, 905696, 934912, 1132120, 1168640, 1317376, 1646720, 1745920, 1811392, 1869824, 2264240, 2337280, 2634752, 3293440, 3491840, 3622784, 4528480, 4674560, 5269504, 6586880, 7245568, 9056960, 9349120, 13173760, 14491136, 18113920, 26347520, 28982272, 36227840, 57964544, 72455680, 144911360, 289822720]

約数ペア:

[(1, 289822720), (2, 144911360), (4, 72455680), (5, 57964544), (8, 36227840), (10, 28982272), (11, 26347520), (16, 18113920), (20, 14491136), (22, 13173760), (31, 9349120), (32, 9056960), (40, 7245568), (44, 6586880), (55, 5269504), (62, 4674560), (64, 4528480), (80, 3622784), (83, 3491840), (88, 3293440), (110, 2634752), (124, 2337280), (128, 2264240), (155, 1869824), (160, 1811392), (166, 1745920), (176, 1646720), (220, 1317376), (248, 1168640), (256, 1132120), (310, 934912), (320, 905696), (332, 872960), (341, 849920), (352, 823360), (415, 698368), (440, 658688), (496, 584320), (512, 566060), (620, 467456), (640, 452848), (664, 436480), (682, 424960), (704, 411680), (830, 349184), (880, 329344), (913, 317440), (992, 292160), (1024, 283030), (1240, 233728), (1280, 226424), (1328, 218240), (1364, 212480), (1408, 205840), (1660, 174592), (1705, 169984), (1760, 164672), (1826, 158720), (1984, 146080), (2048, 141515), (2480, 116864), (2560, 113212), (2573, 112640), (2656, 109120), (2728, 106240), (2816, 102920), (3320, 87296), (3410, 84992), (3520, 82336), (3652, 79360), (3968, 73040), (4565, 63488), (4960, 58432), (5120, 56606), (5146, 56320), (5312, 54560), (5456, 53120), (5632, 51460), (6640, 43648), (6820, 42496), (7040, 41168), (7304, 39680), (7936, 36520), (9130, 31744), (9920, 29216), (10240, 28303), (10292, 28160), (10624, 27280), (10912, 26560), (11264, 25730), (12865, 22528), (13280, 21824), (13640, 21248), (14080, 20584), (14608, 19840), (15872, 18260)]