239212740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{761}}^1$

素因数の和:830

約数の個数: 144

約数和(自身を含む): 749661696

約数和(自身を除く): 510448956

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 31, 39, 52, 60, 62, 65, 78, 93, 124, 130, 155, 156, 169, 186, 195, 260, 310, 338, 372, 390, 403, 465, 507, 620, 676, 761, 780, 806, 845, 930, 1014, 1209, 1522, 1612, 1690, 1860, 2015, 2028, 2283, 2418, 2535, 3044, 3380, 3805, 4030, 4566, 4836, 5070, 5239, 6045, 7610, 8060, 9132, 9893, 10140, 10478, 11415, 12090, 15220, 15717, 19786, 20956, 22830, 23591, 24180, 26195, 29679, 31434, 39572, 45660, 47182, 49465, 52390, 59358, 62868, 70773, 78585, 94364, 98930, 104780, 117955, 118716, 128609, 141546, 148395, 157170, 197860, 235910, 257218, 283092, 296790, 306683, 314340, 353865, 385827, 471820, 514436, 593580, 613366, 643045, 707730, 771654, 920049, 1226732, 1286090, 1415460, 1533415, 1543308, 1840098, 1929135, 2572180, 3066830, 3680196, 3858270, 3986879, 4600245, 6133660, 7716540, 7973758, 9200490, 11960637, 15947516, 18400980, 19934395, 23921274, 39868790, 47842548, 59803185, 79737580, 119606370, 239212740]

約数ペア:

[(1, 239212740), (2, 119606370), (3, 79737580), (4, 59803185), (5, 47842548), (6, 39868790), (10, 23921274), (12, 19934395), (13, 18400980), (15, 15947516), (20, 11960637), (26, 9200490), (30, 7973758), (31, 7716540), (39, 6133660), (52, 4600245), (60, 3986879), (62, 3858270), (65, 3680196), (78, 3066830), (93, 2572180), (124, 1929135), (130, 1840098), (155, 1543308), (156, 1533415), (169, 1415460), (186, 1286090), (195, 1226732), (260, 920049), (310, 771654), (338, 707730), (372, 643045), (390, 613366), (403, 593580), (465, 514436), (507, 471820), (620, 385827), (676, 353865), (761, 314340), (780, 306683), (806, 296790), (845, 283092), (930, 257218), (1014, 235910), (1209, 197860), (1522, 157170), (1612, 148395), (1690, 141546), (1860, 128609), (2015, 118716), (2028, 117955), (2283, 104780), (2418, 98930), (2535, 94364), (3044, 78585), (3380, 70773), (3805, 62868), (4030, 59358), (4566, 52390), (4836, 49465), (5070, 47182), (5239, 45660), (6045, 39572), (7610, 31434), (8060, 29679), (9132, 26195), (9893, 24180), (10140, 23591), (10478, 22830), (11415, 20956), (12090, 19786), (15220, 15717)]