280978320

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{167249}}^1$

素因数の和:167272

約数の個数: 80

約数和(自身を含む): 995472000

約数和(自身を除く): 714493680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 167249, 334498, 501747, 668996, 836245, 1003494, 1170743, 1337992, 1672490, 2006988, 2341486, 2508735, 2675984, 3344980, 3512229, 4013976, 4682972, 5017470, 5853715, 6689960, 7024458, 8027952, 9365944, 10034940, 11707430, 13379920, 14048916, 17561145, 18731888, 20069880, 23414860, 28097832, 35122290, 40139760, 46829720, 56195664, 70244580, 93659440, 140489160, 280978320]

約数ペア:

[(1, 280978320), (2, 140489160), (3, 93659440), (4, 70244580), (5, 56195664), (6, 46829720), (7, 40139760), (8, 35122290), (10, 28097832), (12, 23414860), (14, 20069880), (15, 18731888), (16, 17561145), (20, 14048916), (21, 13379920), (24, 11707430), (28, 10034940), (30, 9365944), (35, 8027952), (40, 7024458), (42, 6689960), (48, 5853715), (56, 5017470), (60, 4682972), (70, 4013976), (80, 3512229), (84, 3344980), (105, 2675984), (112, 2508735), (120, 2341486), (140, 2006988), (168, 1672490), (210, 1337992), (240, 1170743), (280, 1003494), (336, 836245), (420, 668996), (560, 501747), (840, 334498), (1680, 167249)]