678984320

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{4889}}^1$

素因数の和:4946

約数の個数: 128

約数和(自身を含む): 1915315200

約数和(自身を除く): 1236330880

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, 280, 310, 320, 434, 448, 496, 560, 620, 640, 868, 896, 992, 1085, 1120, 1240, 1736, 1984, 2170, 2240, 2480, 3472, 3968, 4340, 4480, 4889, 4960, 6944, 8680, 9778, 9920, 13888, 17360, 19556, 19840, 24445, 27776, 34223, 34720, 39112, 48890, 68446, 69440, 78224, 97780, 136892, 138880, 151559, 156448, 171115, 195560, 273784, 303118, 312896, 342230, 391120, 547568, 606236, 625792, 684460, 757795, 782240, 1060913, 1095136, 1212472, 1368920, 1515590, 1564480, 2121826, 2190272, 2424944, 2737840, 3031180, 3128960, 4243652, 4380544, 4849888, 5304565, 5475680, 6062360, 8487304, 9699776, 10609130, 10951360, 12124720, 16974608, 19399552, 21218260, 21902720, 24249440, 33949216, 42436520, 48498880, 67898432, 84873040, 96997760, 135796864, 169746080, 339492160, 678984320]

約数ペア:

[(1, 678984320), (2, 339492160), (4, 169746080), (5, 135796864), (7, 96997760), (8, 84873040), (10, 67898432), (14, 48498880), (16, 42436520), (20, 33949216), (28, 24249440), (31, 21902720), (32, 21218260), (35, 19399552), (40, 16974608), (56, 12124720), (62, 10951360), (64, 10609130), (70, 9699776), (80, 8487304), (112, 6062360), (124, 5475680), (128, 5304565), (140, 4849888), (155, 4380544), (160, 4243652), (217, 3128960), (224, 3031180), (248, 2737840), (280, 2424944), (310, 2190272), (320, 2121826), (434, 1564480), (448, 1515590), (496, 1368920), (560, 1212472), (620, 1095136), (640, 1060913), (868, 782240), (896, 757795), (992, 684460), (1085, 625792), (1120, 606236), (1240, 547568), (1736, 391120), (1984, 342230), (2170, 312896), (2240, 303118), (2480, 273784), (3472, 195560), (3968, 171115), (4340, 156448), (4480, 151559), (4889, 138880), (4960, 136892), (6944, 97780), (8680, 78224), (9778, 69440), (9920, 68446), (13888, 48890), (17360, 39112), (19556, 34720), (19840, 34223), (24445, 27776)]