2009996880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{461}}^1\times {\mathrm{491}}^1$

素因数の和:1005

約数の個数: 160

約数和(自身を含む): 6426338688

約数和(自身を除く): 4416341808

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 37, 40, 48, 60, 74, 80, 111, 120, 148, 185, 222, 240, 296, 370, 444, 461, 491, 555, 592, 740, 888, 922, 982, 1110, 1383, 1473, 1480, 1776, 1844, 1964, 2220, 2305, 2455, 2766, 2946, 2960, 3688, 3928, 4440, 4610, 4910, 5532, 5892, 6915, 7365, 7376, 7856, 8880, 9220, 9820, 11064, 11784, 13830, 14730, 17057, 18167, 18440, 19640, 22128, 23568, 27660, 29460, 34114, 36334, 36880, 39280, 51171, 54501, 55320, 58920, 68228, 72668, 85285, 90835, 102342, 109002, 110640, 117840, 136456, 145336, 170570, 181670, 204684, 218004, 226351, 255855, 272505, 272912, 290672, 341140, 363340, 409368, 436008, 452702, 511710, 545010, 679053, 682280, 726680, 818736, 872016, 905404, 1023420, 1090020, 1131755, 1358106, 1364560, 1453360, 1810808, 2046840, 2180040, 2263510, 2716212, 3395265, 3621616, 4093680, 4360080, 4527020, 5432424, 6790530, 8374987, 9054040, 10864848, 13581060, 16749974, 18108080, 25124961, 27162120, 33499948, 41874935, 50249922, 54324240, 66999896, 83749870, 100499844, 125624805, 133999792, 167499740, 200999688, 251249610, 334999480, 401999376, 502499220, 669998960, 1004998440, 2009996880]

約数ペア:

[(1, 2009996880), (2, 1004998440), (3, 669998960), (4, 502499220), (5, 401999376), (6, 334999480), (8, 251249610), (10, 200999688), (12, 167499740), (15, 133999792), (16, 125624805), (20, 100499844), (24, 83749870), (30, 66999896), (37, 54324240), (40, 50249922), (48, 41874935), (60, 33499948), (74, 27162120), (80, 25124961), (111, 18108080), (120, 16749974), (148, 13581060), (185, 10864848), (222, 9054040), (240, 8374987), (296, 6790530), (370, 5432424), (444, 4527020), (461, 4360080), (491, 4093680), (555, 3621616), (592, 3395265), (740, 2716212), (888, 2263510), (922, 2180040), (982, 2046840), (1110, 1810808), (1383, 1453360), (1473, 1364560), (1480, 1358106), (1776, 1131755), (1844, 1090020), (1964, 1023420), (2220, 905404), (2305, 872016), (2455, 818736), (2766, 726680), (2946, 682280), (2960, 679053), (3688, 545010), (3928, 511710), (4440, 452702), (4610, 436008), (4910, 409368), (5532, 363340), (5892, 341140), (6915, 290672), (7365, 272912), (7376, 272505), (7856, 255855), (8880, 226351), (9220, 218004), (9820, 204684), (11064, 181670), (11784, 170570), (13830, 145336), (14730, 136456), (17057, 117840), (18167, 110640), (18440, 109002), (19640, 102342), (22128, 90835), (23568, 85285), (27660, 72668), (29460, 68228), (34114, 58920), (36334, 55320), (36880, 54501), (39280, 51171)]