2578009600

素因数分解:

$2^9\times 5^2\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:221

約数の個数: 240

約数和(自身を含む): 6758674560

約数和(自身を除く): 4180664960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 64, 73, 80, 89, 100, 124, 128, 146, 155, 160, 178, 200, 248, 256, 292, 310, 320, 356, 365, 400, 445, 496, 512, 584, 620, 640, 712, 730, 775, 800, 890, 992, 1168, 1240, 1280, 1424, 1460, 1550, 1600, 1780, 1825, 1984, 2225, 2263, 2336, 2480, 2560, 2759, 2848, 2920, 3100, 3200, 3560, 3650, 3968, 4450, 4526, 4672, 4960, 5518, 5696, 5840, 6200, 6400, 6497, 7120, 7300, 7936, 8900, 9052, 9344, 9920, 11036, 11315, 11392, 11680, 12400, 12800, 12994, 13795, 14240, 14600, 15872, 17800, 18104, 18688, 19840, 22072, 22630, 22784, 23360, 24800, 25988, 27590, 28480, 29200, 32485, 35600, 36208, 37376, 39680, 44144, 45260, 45568, 46720, 49600, 51976, 55180, 56575, 56960, 58400, 64970, 68975, 71200, 72416, 79360, 88288, 90520, 93440, 99200, 103952, 110360, 113150, 113920, 116800, 129940, 137950, 142400, 144832, 162425, 176576, 181040, 186880, 198400, 201407, 207904, 220720, 226300, 227840, 233600, 259880, 275900, 284800, 289664, 324850, 353152, 362080, 396800, 402814, 415808, 441440, 452600, 467200, 519760, 551800, 569600, 579328, 649700, 706304, 724160, 805628, 831616, 882880, 905200, 934400, 1007035, 1039520, 1103600, 1139200, 1158656, 1299400, 1412608, 1448320, 1611256, 1663232, 1765760, 1810400, 2014070, 2079040, 2207200, 2598800, 2896640, 3222512, 3326464, 3531520, 3620800, 4028140, 4158080, 4414400, 5035175, 5197600, 5793280, 6445024, 7063040, 7241600, 8056280, 8316160, 8828800, 10070350, 10395200, 12890048, 14483200, 16112560, 16632320, 17657600, 20140700, 20790400, 25780096, 28966400, 32225120, 35315200, 40281400, 41580800, 51560192, 64450240, 80562800, 83161600, 103120384, 128900480, 161125600, 257800960, 322251200, 515601920, 644502400, 1289004800, 2578009600]

約数ペア:

[(1, 2578009600), (2, 1289004800), (4, 644502400), (5, 515601920), (8, 322251200), (10, 257800960), (16, 161125600), (20, 128900480), (25, 103120384), (31, 83161600), (32, 80562800), (40, 64450240), (50, 51560192), (62, 41580800), (64, 40281400), (73, 35315200), (80, 32225120), (89, 28966400), (100, 25780096), (124, 20790400), (128, 20140700), (146, 17657600), (155, 16632320), (160, 16112560), (178, 14483200), (200, 12890048), (248, 10395200), (256, 10070350), (292, 8828800), (310, 8316160), (320, 8056280), (356, 7241600), (365, 7063040), (400, 6445024), (445, 5793280), (496, 5197600), (512, 5035175), (584, 4414400), (620, 4158080), (640, 4028140), (712, 3620800), (730, 3531520), (775, 3326464), (800, 3222512), (890, 2896640), (992, 2598800), (1168, 2207200), (1240, 2079040), (1280, 2014070), (1424, 1810400), (1460, 1765760), (1550, 1663232), (1600, 1611256), (1780, 1448320), (1825, 1412608), (1984, 1299400), (2225, 1158656), (2263, 1139200), (2336, 1103600), (2480, 1039520), (2560, 1007035), (2759, 934400), (2848, 905200), (2920, 882880), (3100, 831616), (3200, 805628), (3560, 724160), (3650, 706304), (3968, 649700), (4450, 579328), (4526, 569600), (4672, 551800), (4960, 519760), (5518, 467200), (5696, 452600), (5840, 441440), (6200, 415808), (6400, 402814), (6497, 396800), (7120, 362080), (7300, 353152), (7936, 324850), (8900, 289664), (9052, 284800), (9344, 275900), (9920, 259880), (11036, 233600), (11315, 227840), (11392, 226300), (11680, 220720), (12400, 207904), (12800, 201407), (12994, 198400), (13795, 186880), (14240, 181040), (14600, 176576), (15872, 162425), (17800, 144832), (18104, 142400), (18688, 137950), (19840, 129940), (22072, 116800), (22630, 113920), (22784, 113150), (23360, 110360), (24800, 103952), (25988, 99200), (27590, 93440), (28480, 90520), (29200, 88288), (32485, 79360), (35600, 72416), (36208, 71200), (37376, 68975), (39680, 64970), (44144, 58400), (45260, 56960), (45568, 56575), (46720, 55180), (49600, 51976)]