145440720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{202001}}^1$

素因数の和:202020

約数の個数: 60

約数和(自身を含む): 488440836

約数和(自身を除く): 343000116

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, 202001, 404002, 606003, 808004, 1010005, 1212006, 1616008, 1818009, 2020010, 2424012, 3030015, 3232016, 3636018, 4040020, 4848024, 6060030, 7272036, 8080040, 9090045, 9696048, 12120060, 14544072, 16160080, 18180090, 24240120, 29088144, 36360180, 48480240, 72720360, 145440720]

約数ペア:

[(1, 145440720), (2, 72720360), (3, 48480240), (4, 36360180), (5, 29088144), (6, 24240120), (8, 18180090), (9, 16160080), (10, 14544072), (12, 12120060), (15, 9696048), (16, 9090045), (18, 8080040), (20, 7272036), (24, 6060030), (30, 4848024), (36, 4040020), (40, 3636018), (45, 3232016), (48, 3030015), (60, 2424012), (72, 2020010), (80, 1818009), (90, 1616008), (120, 1212006), (144, 1010005), (180, 808004), (240, 606003), (360, 404002), (720, 202001)]