1778220

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1$

素因数の和:144

約数の個数: 96

約数和(自身を含む): 5745600

約数和(自身を除く): 3967380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 37, 45, 54, 60, 74, 89, 90, 108, 111, 135, 148, 178, 180, 185, 222, 267, 270, 333, 356, 370, 444, 445, 534, 540, 555, 666, 740, 801, 890, 999, 1068, 1110, 1332, 1335, 1602, 1665, 1780, 1998, 2220, 2403, 2670, 3204, 3293, 3330, 3996, 4005, 4806, 4995, 5340, 6586, 6660, 8010, 9612, 9879, 9990, 12015, 13172, 16020, 16465, 19758, 19980, 24030, 29637, 32930, 39516, 48060, 49395, 59274, 65860, 88911, 98790, 118548, 148185, 177822, 197580, 296370, 355644, 444555, 592740, 889110, 1778220]

約数ペア:

[(1, 1778220), (2, 889110), (3, 592740), (4, 444555), (5, 355644), (6, 296370), (9, 197580), (10, 177822), (12, 148185), (15, 118548), (18, 98790), (20, 88911), (27, 65860), (30, 59274), (36, 49395), (37, 48060), (45, 39516), (54, 32930), (60, 29637), (74, 24030), (89, 19980), (90, 19758), (108, 16465), (111, 16020), (135, 13172), (148, 12015), (178, 9990), (180, 9879), (185, 9612), (222, 8010), (267, 6660), (270, 6586), (333, 5340), (356, 4995), (370, 4806), (444, 4005), (445, 3996), (534, 3330), (540, 3293), (555, 3204), (666, 2670), (740, 2403), (801, 2220), (890, 1998), (999, 1780), (1068, 1665), (1110, 1602), (1332, 1335)]