20877235080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1787}}^1\times {\mathrm{7489}}^1$

素因数の和:9303

約数の個数: 128

約数和(自身を含む): 67496284800

約数和(自身を除く): 46619049720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 1787, 3574, 5361, 7148, 7489, 8935, 10722, 14296, 14978, 17870, 21444, 22467, 23231, 26805, 29956, 35740, 37445, 42888, 44934, 46462, 53610, 59912, 69693, 71480, 74890, 89868, 92924, 97357, 107220, 112335, 116155, 139386, 149780, 179736, 185848, 194714, 214440, 224670, 232310, 278772, 292071, 299560, 348465, 389428, 449340, 464620, 486785, 557544, 584142, 696930, 778856, 898680, 929240, 973570, 1168284, 1393860, 1460355, 1947140, 2336568, 2787720, 2920710, 3894280, 5841420, 11682840, 13382843, 26765686, 40148529, 53531372, 66914215, 80297058, 107062744, 133828430, 160594116, 173976959, 200742645, 267656860, 321188232, 347953918, 401485290, 521930877, 535313720, 695907836, 802970580, 869884795, 1043861754, 1391815672, 1605941160, 1739769590, 2087723508, 2609654385, 3479539180, 4175447016, 5219308770, 6959078360, 10438617540, 20877235080]

約数ペア:

[(1, 20877235080), (2, 10438617540), (3, 6959078360), (4, 5219308770), (5, 4175447016), (6, 3479539180), (8, 2609654385), (10, 2087723508), (12, 1739769590), (13, 1605941160), (15, 1391815672), (20, 1043861754), (24, 869884795), (26, 802970580), (30, 695907836), (39, 535313720), (40, 521930877), (52, 401485290), (60, 347953918), (65, 321188232), (78, 267656860), (104, 200742645), (120, 173976959), (130, 160594116), (156, 133828430), (195, 107062744), (260, 80297058), (312, 66914215), (390, 53531372), (520, 40148529), (780, 26765686), (1560, 13382843), (1787, 11682840), (3574, 5841420), (5361, 3894280), (7148, 2920710), (7489, 2787720), (8935, 2336568), (10722, 1947140), (14296, 1460355), (14978, 1393860), (17870, 1168284), (21444, 973570), (22467, 929240), (23231, 898680), (26805, 778856), (29956, 696930), (35740, 584142), (37445, 557544), (42888, 486785), (44934, 464620), (46462, 449340), (53610, 389428), (59912, 348465), (69693, 299560), (71480, 292071), (74890, 278772), (89868, 232310), (92924, 224670), (97357, 214440), (107220, 194714), (112335, 185848), (116155, 179736), (139386, 149780)]