279689580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{383}}^1\times {\mathrm{4057}}^1$

素因数の和:4455

約数の個数: 72

約数和(自身を含む): 850816512

約数和(自身を除く): 571126932

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 383, 766, 1149, 1532, 1915, 2298, 3447, 3830, 4057, 4596, 5745, 6894, 7660, 8114, 11490, 12171, 13788, 16228, 17235, 20285, 22980, 24342, 34470, 36513, 40570, 48684, 60855, 68940, 73026, 81140, 121710, 146052, 182565, 243420, 365130, 730260, 1553831, 3107662, 4661493, 6215324, 7769155, 9322986, 13984479, 15538310, 18645972, 23307465, 27968958, 31076620, 46614930, 55937916, 69922395, 93229860, 139844790, 279689580]

約数ペア:

[(1, 279689580), (2, 139844790), (3, 93229860), (4, 69922395), (5, 55937916), (6, 46614930), (9, 31076620), (10, 27968958), (12, 23307465), (15, 18645972), (18, 15538310), (20, 13984479), (30, 9322986), (36, 7769155), (45, 6215324), (60, 4661493), (90, 3107662), (180, 1553831), (383, 730260), (766, 365130), (1149, 243420), (1532, 182565), (1915, 146052), (2298, 121710), (3447, 81140), (3830, 73026), (4057, 68940), (4596, 60855), (5745, 48684), (6894, 40570), (7660, 36513), (8114, 34470), (11490, 24342), (12171, 22980), (13788, 20285), (16228, 17235)]