421480960

素因数分解:

$2^9\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{113}}^1$

素因数の和:214

約数の個数: 160

約数和(自身を含む): 1074788352

約数和(自身を除く): 653307392

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 47, 62, 64, 80, 94, 113, 124, 128, 155, 160, 188, 226, 235, 248, 256, 310, 320, 376, 452, 470, 496, 512, 565, 620, 640, 752, 904, 940, 992, 1130, 1240, 1280, 1457, 1504, 1808, 1880, 1984, 2260, 2480, 2560, 2914, 3008, 3503, 3616, 3760, 3968, 4520, 4960, 5311, 5828, 6016, 7006, 7232, 7285, 7520, 7936, 9040, 9920, 10622, 11656, 12032, 14012, 14464, 14570, 15040, 15872, 17515, 18080, 19840, 21244, 23312, 24064, 26555, 28024, 28928, 29140, 30080, 35030, 36160, 39680, 42488, 46624, 53110, 56048, 57856, 58280, 60160, 70060, 72320, 79360, 84976, 93248, 106220, 112096, 116560, 120320, 140120, 144640, 164641, 169952, 186496, 212440, 224192, 233120, 280240, 289280, 329282, 339904, 372992, 424880, 448384, 466240, 560480, 658564, 679808, 745984, 823205, 849760, 896768, 932480, 1120960, 1317128, 1359616, 1646410, 1699520, 1793536, 1864960, 2241920, 2634256, 2719232, 3292820, 3399040, 3729920, 4483840, 5268512, 6585640, 6798080, 8967680, 10537024, 13171280, 13596160, 21074048, 26342560, 42148096, 52685120, 84296192, 105370240, 210740480, 421480960]

約数ペア:

[(1, 421480960), (2, 210740480), (4, 105370240), (5, 84296192), (8, 52685120), (10, 42148096), (16, 26342560), (20, 21074048), (31, 13596160), (32, 13171280), (40, 10537024), (47, 8967680), (62, 6798080), (64, 6585640), (80, 5268512), (94, 4483840), (113, 3729920), (124, 3399040), (128, 3292820), (155, 2719232), (160, 2634256), (188, 2241920), (226, 1864960), (235, 1793536), (248, 1699520), (256, 1646410), (310, 1359616), (320, 1317128), (376, 1120960), (452, 932480), (470, 896768), (496, 849760), (512, 823205), (565, 745984), (620, 679808), (640, 658564), (752, 560480), (904, 466240), (940, 448384), (992, 424880), (1130, 372992), (1240, 339904), (1280, 329282), (1457, 289280), (1504, 280240), (1808, 233120), (1880, 224192), (1984, 212440), (2260, 186496), (2480, 169952), (2560, 164641), (2914, 144640), (3008, 140120), (3503, 120320), (3616, 116560), (3760, 112096), (3968, 106220), (4520, 93248), (4960, 84976), (5311, 79360), (5828, 72320), (6016, 70060), (7006, 60160), (7232, 58280), (7285, 57856), (7520, 56048), (7936, 53110), (9040, 46624), (9920, 42488), (10622, 39680), (11656, 36160), (12032, 35030), (14012, 30080), (14464, 29140), (14570, 28928), (15040, 28024), (15872, 26555), (17515, 24064), (18080, 23312), (19840, 21244)]