1320747680

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{977}}^1$

素因数の和:1087

約数の個数: 192

約数和(自身を含む): 3832883712

約数和(自身を除く): 2512136032

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 56, 68, 70, 71, 80, 85, 112, 119, 136, 140, 142, 160, 170, 224, 238, 272, 280, 284, 340, 355, 476, 497, 544, 560, 568, 595, 680, 710, 952, 977, 994, 1120, 1136, 1190, 1207, 1360, 1420, 1904, 1954, 1988, 2272, 2380, 2414, 2485, 2720, 2840, 3808, 3908, 3976, 4760, 4828, 4885, 4970, 5680, 6035, 6839, 7816, 7952, 8449, 9520, 9656, 9770, 9940, 11360, 12070, 13678, 15632, 15904, 16609, 16898, 19040, 19312, 19540, 19880, 24140, 27356, 31264, 33218, 33796, 34195, 38624, 39080, 39760, 42245, 48280, 54712, 66436, 67592, 68390, 69367, 78160, 79520, 83045, 84490, 96560, 109424, 116263, 132872, 135184, 136780, 138734, 156320, 166090, 168980, 193120, 218848, 232526, 265744, 270368, 273560, 277468, 332180, 337960, 346835, 465052, 485569, 531488, 547120, 554936, 581315, 664360, 675920, 693670, 930104, 971138, 1094240, 1109872, 1162630, 1179239, 1328720, 1351840, 1387340, 1860208, 1942276, 2219744, 2325260, 2358478, 2427845, 2657440, 2774680, 3720416, 3884552, 4650520, 4716956, 4855690, 5549360, 5896195, 7769104, 8254673, 9301040, 9433912, 9711380, 11098720, 11792390, 15538208, 16509346, 18602080, 18867824, 19422760, 23584780, 33018692, 37735648, 38845520, 41273365, 47169560, 66037384, 77691040, 82546730, 94339120, 132074768, 165093460, 188678240, 264149536, 330186920, 660373840, 1320747680]

約数ペア:

[(1, 1320747680), (2, 660373840), (4, 330186920), (5, 264149536), (7, 188678240), (8, 165093460), (10, 132074768), (14, 94339120), (16, 82546730), (17, 77691040), (20, 66037384), (28, 47169560), (32, 41273365), (34, 38845520), (35, 37735648), (40, 33018692), (56, 23584780), (68, 19422760), (70, 18867824), (71, 18602080), (80, 16509346), (85, 15538208), (112, 11792390), (119, 11098720), (136, 9711380), (140, 9433912), (142, 9301040), (160, 8254673), (170, 7769104), (224, 5896195), (238, 5549360), (272, 4855690), (280, 4716956), (284, 4650520), (340, 3884552), (355, 3720416), (476, 2774680), (497, 2657440), (544, 2427845), (560, 2358478), (568, 2325260), (595, 2219744), (680, 1942276), (710, 1860208), (952, 1387340), (977, 1351840), (994, 1328720), (1120, 1179239), (1136, 1162630), (1190, 1109872), (1207, 1094240), (1360, 971138), (1420, 930104), (1904, 693670), (1954, 675920), (1988, 664360), (2272, 581315), (2380, 554936), (2414, 547120), (2485, 531488), (2720, 485569), (2840, 465052), (3808, 346835), (3908, 337960), (3976, 332180), (4760, 277468), (4828, 273560), (4885, 270368), (4970, 265744), (5680, 232526), (6035, 218848), (6839, 193120), (7816, 168980), (7952, 166090), (8449, 156320), (9520, 138734), (9656, 136780), (9770, 135184), (9940, 132872), (11360, 116263), (12070, 109424), (13678, 96560), (15632, 84490), (15904, 83045), (16609, 79520), (16898, 78160), (19040, 69367), (19312, 68390), (19540, 67592), (19880, 66436), (24140, 54712), (27356, 48280), (31264, 42245), (33218, 39760), (33796, 39080), (34195, 38624)]