156720240

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{217667}}^1$

素因数の和:217686

約数の個数: 60

約数和(自身を含む): 526321224

約数和(自身を除く): 369600984

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, 217667, 435334, 653001, 870668, 1088335, 1306002, 1741336, 1959003, 2176670, 2612004, 3265005, 3482672, 3918006, 4353340, 5224008, 6530010, 7836012, 8706680, 9795015, 10448016, 13060020, 15672024, 17413360, 19590030, 26120040, 31344048, 39180060, 52240080, 78360120, 156720240]

約数ペア:

[(1, 156720240), (2, 78360120), (3, 52240080), (4, 39180060), (5, 31344048), (6, 26120040), (8, 19590030), (9, 17413360), (10, 15672024), (12, 13060020), (15, 10448016), (16, 9795015), (18, 8706680), (20, 7836012), (24, 6530010), (30, 5224008), (36, 4353340), (40, 3918006), (45, 3482672), (48, 3265005), (60, 2612004), (72, 2176670), (80, 1959003), (90, 1741336), (120, 1306002), (144, 1088335), (180, 870668), (240, 653001), (360, 435334), (720, 217667)]