18938779020

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{63421}}^1$

素因数の和:63525

約数の個数: 192

約数和(自身を含む): 68191334400

約数和(自身を除く): 49252555380

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 79, 84, 90, 105, 108, 126, 135, 140, 158, 180, 189, 210, 237, 252, 270, 315, 316, 378, 395, 420, 474, 540, 553, 630, 711, 756, 790, 945, 948, 1106, 1185, 1260, 1422, 1580, 1659, 1890, 2133, 2212, 2370, 2765, 2844, 3318, 3555, 3780, 4266, 4740, 4977, 5530, 6636, 7110, 8295, 8532, 9954, 10665, 11060, 14220, 14931, 16590, 19908, 21330, 24885, 29862, 33180, 42660, 49770, 59724, 63421, 74655, 99540, 126842, 149310, 190263, 253684, 298620, 317105, 380526, 443947, 570789, 634210, 761052, 887894, 951315, 1141578, 1268420, 1331841, 1712367, 1775788, 1902630, 2219735, 2283156, 2663682, 2853945, 3424734, 3805260, 3995523, 4439470, 5010259, 5327364, 5707890, 6659205, 6849468, 7991046, 8561835, 8878940, 10020518, 11415780, 11986569, 13318410, 15030777, 15982092, 17123670, 19977615, 20041036, 23973138, 25051295, 26636820, 30061554, 34247340, 35071813, 39955230, 45092331, 47946276, 50102590, 59932845, 60123108, 70143626, 75153885, 79910460, 90184662, 100205180, 105215439, 119865690, 135276993, 140287252, 150307770, 175359065, 180369324, 210430878, 225461655, 239731380, 270553986, 300615540, 315646317, 350718130, 420861756, 450923310, 526077195, 541107972, 631292634, 676384965, 701436260, 901846620, 946938951, 1052154390, 1262585268, 1352769930, 1578231585, 1893877902, 2104308780, 2705539860, 3156463170, 3787755804, 4734694755, 6312926340, 9469389510, 18938779020]

約数ペア:

[(1, 18938779020), (2, 9469389510), (3, 6312926340), (4, 4734694755), (5, 3787755804), (6, 3156463170), (7, 2705539860), (9, 2104308780), (10, 1893877902), (12, 1578231585), (14, 1352769930), (15, 1262585268), (18, 1052154390), (20, 946938951), (21, 901846620), (27, 701436260), (28, 676384965), (30, 631292634), (35, 541107972), (36, 526077195), (42, 450923310), (45, 420861756), (54, 350718130), (60, 315646317), (63, 300615540), (70, 270553986), (79, 239731380), (84, 225461655), (90, 210430878), (105, 180369324), (108, 175359065), (126, 150307770), (135, 140287252), (140, 135276993), (158, 119865690), (180, 105215439), (189, 100205180), (210, 90184662), (237, 79910460), (252, 75153885), (270, 70143626), (315, 60123108), (316, 59932845), (378, 50102590), (395, 47946276), (420, 45092331), (474, 39955230), (540, 35071813), (553, 34247340), (630, 30061554), (711, 26636820), (756, 25051295), (790, 23973138), (945, 20041036), (948, 19977615), (1106, 17123670), (1185, 15982092), (1260, 15030777), (1422, 13318410), (1580, 11986569), (1659, 11415780), (1890, 10020518), (2133, 8878940), (2212, 8561835), (2370, 7991046), (2765, 6849468), (2844, 6659205), (3318, 5707890), (3555, 5327364), (3780, 5010259), (4266, 4439470), (4740, 3995523), (4977, 3805260), (5530, 3424734), (6636, 2853945), (7110, 2663682), (8295, 2283156), (8532, 2219735), (9954, 1902630), (10665, 1775788), (11060, 1712367), (14220, 1331841), (14931, 1268420), (16590, 1141578), (19908, 951315), (21330, 887894), (24885, 761052), (29862, 634210), (33180, 570789), (42660, 443947), (49770, 380526), (59724, 317105), (63421, 298620), (74655, 253684), (99540, 190263), (126842, 149310)]