30720240

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{42667}}^1$

素因数の和:42686

約数の個数: 60

約数和(自身を含む): 103171224

約数和(自身を除く): 72450984

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 42667, 85334, 128001, 170668, 213335, 256002, 341336, 384003, 426670, 512004, 640005, 682672, 768006, 853340, 1024008, 1280010, 1536012, 1706680, 1920015, 2048016, 2560020, 3072024, 3413360, 3840030, 5120040, 6144048, 7680060, 10240080, 15360120, 30720240]

約数ペア:

[(1, 30720240), (2, 15360120), (3, 10240080), (4, 7680060), (5, 6144048), (6, 5120040), (8, 3840030), (9, 3413360), (10, 3072024), (12, 2560020), (15, 2048016), (16, 1920015), (18, 1706680), (20, 1536012), (24, 1280010), (30, 1024008), (36, 853340), (40, 768006), (45, 682672), (48, 640005), (60, 512004), (72, 426670), (80, 384003), (90, 341336), (120, 256002), (144, 213335), (180, 170668), (240, 128001), (360, 85334), (720, 42667)]