989611560

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{587}}^1$

素因数の和:837

約数の個数: 256

約数和(自身を含む): 3793305600

約数和(自身を除く): 2803694040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 120, 126, 135, 140, 168, 180, 189, 210, 216, 223, 252, 270, 280, 315, 360, 378, 420, 446, 504, 540, 587, 630, 669, 756, 840, 892, 945, 1080, 1115, 1174, 1260, 1338, 1512, 1561, 1761, 1784, 1890, 2007, 2230, 2348, 2520, 2676, 2935, 3122, 3345, 3522, 3780, 4014, 4109, 4460, 4683, 4696, 5283, 5352, 5870, 6021, 6244, 6690, 7044, 7560, 7805, 8028, 8218, 8805, 8920, 9366, 10035, 10566, 11740, 12042, 12327, 12488, 13380, 14049, 14088, 15610, 15849, 16056, 16436, 17610, 18732, 20070, 20545, 21132, 23415, 23480, 24084, 24654, 26415, 26760, 28098, 30105, 31220, 31698, 32872, 35220, 36981, 37464, 40140, 41090, 42147, 42264, 46830, 48168, 49308, 52830, 56196, 60210, 61635, 62440, 63396, 70245, 70440, 73962, 79245, 80280, 82180, 84294, 93660, 98616, 105660, 110943, 112392, 120420, 123270, 126792, 130901, 140490, 147924, 158490, 164360, 168588, 184905, 187320, 210735, 211320, 221886, 240840, 246540, 261802, 280980, 295848, 316980, 337176, 369810, 392703, 421470, 443772, 493080, 523604, 554715, 561960, 633960, 654505, 739620, 785406, 842940, 887544, 916307, 1047208, 1109430, 1178109, 1309010, 1479240, 1570812, 1685880, 1832614, 1963515, 2218860, 2356218, 2618020, 2748921, 3141624, 3534327, 3665228, 3927030, 4437720, 4581535, 4712436, 5236040, 5497842, 5890545, 7068654, 7330456, 7854060, 8246763, 9163070, 9424872, 10995684, 11781090, 13744605, 14137308, 15708120, 16493526, 17671635, 18326140, 21991368, 23562180, 24740289, 27489210, 28274616, 32987052, 35343270, 36652280, 41233815, 47124360, 49480578, 54978420, 65974104, 70686540, 82467630, 98961156, 109956840, 123701445, 141373080, 164935260, 197922312, 247402890, 329870520, 494805780, 989611560]

約数ペア:

[(1, 989611560), (2, 494805780), (3, 329870520), (4, 247402890), (5, 197922312), (6, 164935260), (7, 141373080), (8, 123701445), (9, 109956840), (10, 98961156), (12, 82467630), (14, 70686540), (15, 65974104), (18, 54978420), (20, 49480578), (21, 47124360), (24, 41233815), (27, 36652280), (28, 35343270), (30, 32987052), (35, 28274616), (36, 27489210), (40, 24740289), (42, 23562180), (45, 21991368), (54, 18326140), (56, 17671635), (60, 16493526), (63, 15708120), (70, 14137308), (72, 13744605), (84, 11781090), (90, 10995684), (105, 9424872), (108, 9163070), (120, 8246763), (126, 7854060), (135, 7330456), (140, 7068654), (168, 5890545), (180, 5497842), (189, 5236040), (210, 4712436), (216, 4581535), (223, 4437720), (252, 3927030), (270, 3665228), (280, 3534327), (315, 3141624), (360, 2748921), (378, 2618020), (420, 2356218), (446, 2218860), (504, 1963515), (540, 1832614), (587, 1685880), (630, 1570812), (669, 1479240), (756, 1309010), (840, 1178109), (892, 1109430), (945, 1047208), (1080, 916307), (1115, 887544), (1174, 842940), (1260, 785406), (1338, 739620), (1512, 654505), (1561, 633960), (1761, 561960), (1784, 554715), (1890, 523604), (2007, 493080), (2230, 443772), (2348, 421470), (2520, 392703), (2676, 369810), (2935, 337176), (3122, 316980), (3345, 295848), (3522, 280980), (3780, 261802), (4014, 246540), (4109, 240840), (4460, 221886), (4683, 211320), (4696, 210735), (5283, 187320), (5352, 184905), (5870, 168588), (6021, 164360), (6244, 158490), (6690, 147924), (7044, 140490), (7560, 130901), (7805, 126792), (8028, 123270), (8218, 120420), (8805, 112392), (8920, 110943), (9366, 105660), (10035, 98616), (10566, 93660), (11740, 84294), (12042, 82180), (12327, 80280), (12488, 79245), (13380, 73962), (14049, 70440), (14088, 70245), (15610, 63396), (15849, 62440), (16056, 61635), (16436, 60210), (17610, 56196), (18732, 52830), (20070, 49308), (20545, 48168), (21132, 46830), (23415, 42264), (23480, 42147), (24084, 41090), (24654, 40140), (26415, 37464), (26760, 36981), (28098, 35220), (30105, 32872), (31220, 31698)]