16003980

素因数分解:

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

素因数の和:150

約数の個数: 144

約数和(自身を含む): 52284960

約数和(自身を除く): 36280980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 37, 45, 54, 60, 74, 81, 89, 90, 108, 111, 135, 148, 162, 178, 180, 185, 222, 243, 267, 270, 324, 333, 356, 370, 405, 444, 445, 486, 534, 540, 555, 666, 740, 801, 810, 890, 972, 999, 1068, 1110, 1215, 1332, 1335, 1602, 1620, 1665, 1780, 1998, 2220, 2403, 2430, 2670, 2997, 3204, 3293, 3330, 3996, 4005, 4806, 4860, 4995, 5340, 5994, 6586, 6660, 7209, 8010, 8991, 9612, 9879, 9990, 11988, 12015, 13172, 14418, 14985, 16020, 16465, 17982, 19758, 19980, 21627, 24030, 28836, 29637, 29970, 32930, 35964, 36045, 39516, 43254, 44955, 48060, 49395, 59274, 59940, 65860, 72090, 86508, 88911, 89910, 98790, 108135, 118548, 144180, 148185, 177822, 179820, 197580, 216270, 266733, 296370, 355644, 432540, 444555, 533466, 592740, 800199, 889110, 1066932, 1333665, 1600398, 1778220, 2667330, 3200796, 4000995, 5334660, 8001990, 16003980]

約数ペア:

[(1, 16003980), (2, 8001990), (3, 5334660), (4, 4000995), (5, 3200796), (6, 2667330), (9, 1778220), (10, 1600398), (12, 1333665), (15, 1066932), (18, 889110), (20, 800199), (27, 592740), (30, 533466), (36, 444555), (37, 432540), (45, 355644), (54, 296370), (60, 266733), (74, 216270), (81, 197580), (89, 179820), (90, 177822), (108, 148185), (111, 144180), (135, 118548), (148, 108135), (162, 98790), (178, 89910), (180, 88911), (185, 86508), (222, 72090), (243, 65860), (267, 59940), (270, 59274), (324, 49395), (333, 48060), (356, 44955), (370, 43254), (405, 39516), (444, 36045), (445, 35964), (486, 32930), (534, 29970), (540, 29637), (555, 28836), (666, 24030), (740, 21627), (801, 19980), (810, 19758), (890, 17982), (972, 16465), (999, 16020), (1068, 14985), (1110, 14418), (1215, 13172), (1332, 12015), (1335, 11988), (1602, 9990), (1620, 9879), (1665, 9612), (1780, 8991), (1998, 8010), (2220, 7209), (2403, 6660), (2430, 6586), (2670, 5994), (2997, 5340), (3204, 4995), (3293, 4860), (3330, 4806), (3996, 4005)]