280968780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{439}}^1\times {\mathrm{10667}}^1$

素因数の和:11118

約数の個数: 48

約数和(自身を含む): 788578560

約数和(自身を除く): 507609780

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 439, 878, 1317, 1756, 2195, 2634, 4390, 5268, 6585, 8780, 10667, 13170, 21334, 26340, 32001, 42668, 53335, 64002, 106670, 128004, 160005, 213340, 320010, 640020, 4682813, 9365626, 14048439, 18731252, 23414065, 28096878, 46828130, 56193756, 70242195, 93656260, 140484390, 280968780]

約数ペア:

[(1, 280968780), (2, 140484390), (3, 93656260), (4, 70242195), (5, 56193756), (6, 46828130), (10, 28096878), (12, 23414065), (15, 18731252), (20, 14048439), (30, 9365626), (60, 4682813), (439, 640020), (878, 320010), (1317, 213340), (1756, 160005), (2195, 128004), (2634, 106670), (4390, 64002), (5268, 53335), (6585, 42668), (8780, 32001), (10667, 26340), (13170, 21334)]