219749520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{915623}}^1$

素因数の和:915639

約数の個数: 40

約数和(自身を含む): 681224256

約数和(自身を除く): 461474736

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 915623, 1831246, 2746869, 3662492, 4578115, 5493738, 7324984, 9156230, 10987476, 13734345, 14649968, 18312460, 21974952, 27468690, 36624920, 43949904, 54937380, 73249840, 109874760, 219749520]

約数ペア:

[(1, 219749520), (2, 109874760), (3, 73249840), (4, 54937380), (5, 43949904), (6, 36624920), (8, 27468690), (10, 21974952), (12, 18312460), (15, 14649968), (16, 13734345), (20, 10987476), (24, 9156230), (30, 7324984), (40, 5493738), (48, 4578115), (60, 3662492), (80, 2746869), (120, 1831246), (240, 915623)]