661902080

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2383}}^1$

素因数の和:2442

約数の個数: 144

約数和(自身を含む): 1871192064

約数和(自身を除く): 1209289984

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, 310, 320, 434, 448, 496, 560, 620, 640, 868, 896, 992, 1085, 1120, 1240, 1280, 1736, 1792, 1984, 2170, 2240, 2383, 2480, 3472, 3968, 4340, 4480, 4766, 4960, 6944, 7936, 8680, 8960, 9532, 9920, 11915, 13888, 16681, 17360, 19064, 19840, 23830, 27776, 33362, 34720, 38128, 39680, 47660, 55552, 66724, 69440, 73873, 76256, 83405, 95320, 133448, 138880, 147746, 152512, 166810, 190640, 266896, 277760, 295492, 305024, 333620, 369365, 381280, 517111, 533792, 590984, 610048, 667240, 738730, 762560, 1034222, 1067584, 1181968, 1334480, 1477460, 1525120, 2068444, 2135168, 2363936, 2585555, 2668960, 2954920, 3050240, 4136888, 4270336, 4727872, 5171110, 5337920, 5909840, 8273776, 9455744, 10342220, 10675840, 11819680, 16547552, 18911488, 20684440, 21351680, 23639360, 33095104, 41368880, 47278720, 66190208, 82737760, 94557440, 132380416, 165475520, 330951040, 661902080]

約数ペア:

[(1, 661902080), (2, 330951040), (4, 165475520), (5, 132380416), (7, 94557440), (8, 82737760), (10, 66190208), (14, 47278720), (16, 41368880), (20, 33095104), (28, 23639360), (31, 21351680), (32, 20684440), (35, 18911488), (40, 16547552), (56, 11819680), (62, 10675840), (64, 10342220), (70, 9455744), (80, 8273776), (112, 5909840), (124, 5337920), (128, 5171110), (140, 4727872), (155, 4270336), (160, 4136888), (217, 3050240), (224, 2954920), (248, 2668960), (256, 2585555), (280, 2363936), (310, 2135168), (320, 2068444), (434, 1525120), (448, 1477460), (496, 1334480), (560, 1181968), (620, 1067584), (640, 1034222), (868, 762560), (896, 738730), (992, 667240), (1085, 610048), (1120, 590984), (1240, 533792), (1280, 517111), (1736, 381280), (1792, 369365), (1984, 333620), (2170, 305024), (2240, 295492), (2383, 277760), (2480, 266896), (3472, 190640), (3968, 166810), (4340, 152512), (4480, 147746), (4766, 138880), (4960, 133448), (6944, 95320), (7936, 83405), (8680, 76256), (8960, 73873), (9532, 69440), (9920, 66724), (11915, 55552), (13888, 47660), (16681, 39680), (17360, 38128), (19064, 34720), (19840, 33362), (23830, 27776)]