628848640

素因数分解:

$2^{11}\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{283}}^1$

素因数の和:348

約数の個数: 192

約数和(自身を含む): 1786337280

約数和(自身を除く): 1157488640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 112, 124, 128, 140, 155, 160, 217, 224, 248, 256, 280, 283, 310, 320, 434, 448, 496, 512, 560, 566, 620, 640, 868, 896, 992, 1024, 1085, 1120, 1132, 1240, 1280, 1415, 1736, 1792, 1981, 1984, 2048, 2170, 2240, 2264, 2480, 2560, 2830, 3472, 3584, 3962, 3968, 4340, 4480, 4528, 4960, 5120, 5660, 6944, 7168, 7924, 7936, 8680, 8773, 8960, 9056, 9905, 9920, 10240, 11320, 13888, 14336, 15848, 15872, 17360, 17546, 17920, 18112, 19810, 19840, 22640, 27776, 31696, 31744, 34720, 35092, 35840, 36224, 39620, 39680, 43865, 45280, 55552, 61411, 63392, 63488, 69440, 70184, 71680, 72448, 79240, 79360, 87730, 90560, 111104, 122822, 126784, 138880, 140368, 144896, 158480, 158720, 175460, 181120, 222208, 245644, 253568, 277760, 280736, 289792, 307055, 316960, 317440, 350920, 362240, 444416, 491288, 507136, 555520, 561472, 579584, 614110, 633920, 701840, 724480, 982576, 1014272, 1111040, 1122944, 1228220, 1267840, 1403680, 1448960, 1965152, 2028544, 2222080, 2245888, 2456440, 2535680, 2807360, 2897920, 3930304, 4057088, 4491776, 4912880, 5071360, 5614720, 7860608, 8983552, 9825760, 10142720, 11229440, 15721216, 17967104, 19651520, 20285440, 22458880, 31442432, 39303040, 44917760, 62884864, 78606080, 89835520, 125769728, 157212160, 314424320, 628848640]

約数ペア:

[(1, 628848640), (2, 314424320), (4, 157212160), (5, 125769728), (7, 89835520), (8, 78606080), (10, 62884864), (14, 44917760), (16, 39303040), (20, 31442432), (28, 22458880), (31, 20285440), (32, 19651520), (35, 17967104), (40, 15721216), (56, 11229440), (62, 10142720), (64, 9825760), (70, 8983552), (80, 7860608), (112, 5614720), (124, 5071360), (128, 4912880), (140, 4491776), (155, 4057088), (160, 3930304), (217, 2897920), (224, 2807360), (248, 2535680), (256, 2456440), (280, 2245888), (283, 2222080), (310, 2028544), (320, 1965152), (434, 1448960), (448, 1403680), (496, 1267840), (512, 1228220), (560, 1122944), (566, 1111040), (620, 1014272), (640, 982576), (868, 724480), (896, 701840), (992, 633920), (1024, 614110), (1085, 579584), (1120, 561472), (1132, 555520), (1240, 507136), (1280, 491288), (1415, 444416), (1736, 362240), (1792, 350920), (1981, 317440), (1984, 316960), (2048, 307055), (2170, 289792), (2240, 280736), (2264, 277760), (2480, 253568), (2560, 245644), (2830, 222208), (3472, 181120), (3584, 175460), (3962, 158720), (3968, 158480), (4340, 144896), (4480, 140368), (4528, 138880), (4960, 126784), (5120, 122822), (5660, 111104), (6944, 90560), (7168, 87730), (7924, 79360), (7936, 79240), (8680, 72448), (8773, 71680), (8960, 70184), (9056, 69440), (9905, 63488), (9920, 63392), (10240, 61411), (11320, 55552), (13888, 45280), (14336, 43865), (15848, 39680), (15872, 39620), (17360, 36224), (17546, 35840), (17920, 35092), (18112, 34720), (19810, 31744), (19840, 31696), (22640, 27776)]