20131033580

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{31}}^1\times {\mathrm{181}}^1\times {\mathrm{523}}^1$

素因数の和:765

約数の個数: 192

約数和(自身を含む): 51269836800

約数和(自身を除く): 31138803220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 49, 62, 70, 98, 124, 140, 155, 181, 196, 217, 245, 310, 343, 362, 434, 490, 523, 620, 686, 724, 868, 905, 980, 1046, 1085, 1267, 1372, 1519, 1715, 1810, 2092, 2170, 2534, 2615, 3038, 3430, 3620, 3661, 4340, 5068, 5230, 5611, 6076, 6335, 6860, 7322, 7595, 8869, 10460, 10633, 11222, 12670, 14644, 15190, 16213, 17738, 18305, 21266, 22444, 25340, 25627, 28055, 30380, 32426, 35476, 36610, 39277, 42532, 44345, 51254, 53165, 56110, 62083, 64852, 73220, 78554, 81065, 88690, 94663, 102508, 106330, 112220, 113491, 124166, 128135, 157108, 162130, 177380, 179389, 189326, 196385, 212660, 226982, 248332, 256270, 274939, 310415, 324260, 358778, 378652, 392770, 453964, 473315, 512540, 549878, 567455, 620830, 662641, 717556, 785540, 794437, 896945, 946630, 1099756, 1134910, 1241660, 1325282, 1374695, 1588874, 1793890, 1893260, 1924573, 2269820, 2650564, 2749390, 2934553, 3177748, 3313205, 3587780, 3849146, 3972185, 4638487, 5498780, 5561059, 5869106, 6626410, 7698292, 7944370, 9276974, 9622865, 11122118, 11738212, 13252820, 14672765, 15888740, 18553948, 19245730, 20541871, 22244236, 23192435, 27805295, 29345530, 32469409, 38491460, 41083742, 46384870, 55610590, 58691060, 64938818, 82167484, 92769740, 102709355, 111221180, 129877636, 143793097, 162347045, 205418710, 287586194, 324694090, 410837420, 575172388, 649388180, 718965485, 1006551679, 1437930970, 2013103358, 2875861940, 4026206716, 5032758395, 10065516790, 20131033580]

約数ペア:

[(1, 20131033580), (2, 10065516790), (4, 5032758395), (5, 4026206716), (7, 2875861940), (10, 2013103358), (14, 1437930970), (20, 1006551679), (28, 718965485), (31, 649388180), (35, 575172388), (49, 410837420), (62, 324694090), (70, 287586194), (98, 205418710), (124, 162347045), (140, 143793097), (155, 129877636), (181, 111221180), (196, 102709355), (217, 92769740), (245, 82167484), (310, 64938818), (343, 58691060), (362, 55610590), (434, 46384870), (490, 41083742), (523, 38491460), (620, 32469409), (686, 29345530), (724, 27805295), (868, 23192435), (905, 22244236), (980, 20541871), (1046, 19245730), (1085, 18553948), (1267, 15888740), (1372, 14672765), (1519, 13252820), (1715, 11738212), (1810, 11122118), (2092, 9622865), (2170, 9276974), (2534, 7944370), (2615, 7698292), (3038, 6626410), (3430, 5869106), (3620, 5561059), (3661, 5498780), (4340, 4638487), (5068, 3972185), (5230, 3849146), (5611, 3587780), (6076, 3313205), (6335, 3177748), (6860, 2934553), (7322, 2749390), (7595, 2650564), (8869, 2269820), (10460, 1924573), (10633, 1893260), (11222, 1793890), (12670, 1588874), (14644, 1374695), (15190, 1325282), (16213, 1241660), (17738, 1134910), (18305, 1099756), (21266, 946630), (22444, 896945), (25340, 794437), (25627, 785540), (28055, 717556), (30380, 662641), (32426, 620830), (35476, 567455), (36610, 549878), (39277, 512540), (42532, 473315), (44345, 453964), (51254, 392770), (53165, 378652), (56110, 358778), (62083, 324260), (64852, 310415), (73220, 274939), (78554, 256270), (81065, 248332), (88690, 226982), (94663, 212660), (102508, 196385), (106330, 189326), (112220, 179389), (113491, 177380), (124166, 162130), (128135, 157108)]