1280473600

素因数分解:

$2^9\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{461}}^1$

素因数の和:527

約数の個数: 240

約数和(自身を含む): 3750759936

約数和(自身を除く): 2470286336

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 31, 32, 35, 40, 50, 56, 62, 64, 70, 80, 100, 112, 124, 128, 140, 155, 160, 175, 200, 217, 224, 248, 256, 280, 310, 320, 350, 400, 434, 448, 461, 496, 512, 560, 620, 640, 700, 775, 800, 868, 896, 922, 992, 1085, 1120, 1240, 1280, 1400, 1550, 1600, 1736, 1792, 1844, 1984, 2170, 2240, 2305, 2480, 2560, 2800, 3100, 3200, 3227, 3472, 3584, 3688, 3968, 4340, 4480, 4610, 4960, 5425, 5600, 6200, 6400, 6454, 6944, 7376, 7936, 8680, 8960, 9220, 9920, 10850, 11200, 11525, 12400, 12800, 12908, 13888, 14291, 14752, 15872, 16135, 17360, 17920, 18440, 19840, 21700, 22400, 23050, 24800, 25816, 27776, 28582, 29504, 32270, 34720, 36880, 39680, 43400, 44800, 46100, 49600, 51632, 55552, 57164, 59008, 64540, 69440, 71455, 73760, 79360, 80675, 86800, 89600, 92200, 99200, 100037, 103264, 111104, 114328, 118016, 129080, 138880, 142910, 147520, 161350, 173600, 184400, 198400, 200074, 206528, 228656, 236032, 258160, 277760, 285820, 295040, 322700, 347200, 357275, 368800, 396800, 400148, 413056, 457312, 500185, 516320, 555520, 571640, 590080, 645400, 694400, 714550, 737600, 800296, 826112, 914624, 1000370, 1032640, 1143280, 1180160, 1290800, 1388800, 1429100, 1475200, 1600592, 1652224, 1829248, 2000740, 2065280, 2286560, 2500925, 2581600, 2777600, 2858200, 2950400, 3201184, 3658496, 4001480, 4130560, 4573120, 5001850, 5163200, 5716400, 5900800, 6402368, 7316992, 8002960, 8261120, 9146240, 10003700, 10326400, 11432800, 12804736, 16005920, 18292480, 20007400, 20652800, 22865600, 25609472, 32011840, 36584960, 40014800, 41305600, 45731200, 51218944, 64023680, 80029600, 91462400, 128047360, 160059200, 182924800, 256094720, 320118400, 640236800, 1280473600]

約数ペア:

[(1, 1280473600), (2, 640236800), (4, 320118400), (5, 256094720), (7, 182924800), (8, 160059200), (10, 128047360), (14, 91462400), (16, 80029600), (20, 64023680), (25, 51218944), (28, 45731200), (31, 41305600), (32, 40014800), (35, 36584960), (40, 32011840), (50, 25609472), (56, 22865600), (62, 20652800), (64, 20007400), (70, 18292480), (80, 16005920), (100, 12804736), (112, 11432800), (124, 10326400), (128, 10003700), (140, 9146240), (155, 8261120), (160, 8002960), (175, 7316992), (200, 6402368), (217, 5900800), (224, 5716400), (248, 5163200), (256, 5001850), (280, 4573120), (310, 4130560), (320, 4001480), (350, 3658496), (400, 3201184), (434, 2950400), (448, 2858200), (461, 2777600), (496, 2581600), (512, 2500925), (560, 2286560), (620, 2065280), (640, 2000740), (700, 1829248), (775, 1652224), (800, 1600592), (868, 1475200), (896, 1429100), (922, 1388800), (992, 1290800), (1085, 1180160), (1120, 1143280), (1240, 1032640), (1280, 1000370), (1400, 914624), (1550, 826112), (1600, 800296), (1736, 737600), (1792, 714550), (1844, 694400), (1984, 645400), (2170, 590080), (2240, 571640), (2305, 555520), (2480, 516320), (2560, 500185), (2800, 457312), (3100, 413056), (3200, 400148), (3227, 396800), (3472, 368800), (3584, 357275), (3688, 347200), (3968, 322700), (4340, 295040), (4480, 285820), (4610, 277760), (4960, 258160), (5425, 236032), (5600, 228656), (6200, 206528), (6400, 200074), (6454, 198400), (6944, 184400), (7376, 173600), (7936, 161350), (8680, 147520), (8960, 142910), (9220, 138880), (9920, 129080), (10850, 118016), (11200, 114328), (11525, 111104), (12400, 103264), (12800, 100037), (12908, 99200), (13888, 92200), (14291, 89600), (14752, 86800), (15872, 80675), (16135, 79360), (17360, 73760), (17920, 71455), (18440, 69440), (19840, 64540), (21700, 59008), (22400, 57164), (23050, 55552), (24800, 51632), (25816, 49600), (27776, 46100), (28582, 44800), (29504, 43400), (32270, 39680), (34720, 36880)]