78549480

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{283}}^1$

素因数の和:560

約数の個数: 128

約数和(自身を含む): 263779200

約数和(自身を除く): 185229720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 257, 270, 283, 360, 514, 540, 566, 771, 849, 1028, 1080, 1132, 1285, 1415, 1542, 1698, 2056, 2264, 2313, 2547, 2570, 2830, 3084, 3396, 3855, 4245, 4626, 5094, 5140, 5660, 6168, 6792, 6939, 7641, 7710, 8490, 9252, 10188, 10280, 11320, 11565, 12735, 13878, 15282, 15420, 16980, 18504, 20376, 23130, 25470, 27756, 30564, 30840, 33960, 34695, 38205, 46260, 50940, 55512, 61128, 69390, 72731, 76410, 92520, 101880, 138780, 145462, 152820, 218193, 277560, 290924, 305640, 363655, 436386, 581848, 654579, 727310, 872772, 1090965, 1309158, 1454620, 1745544, 1963737, 2181930, 2618316, 2909240, 3272895, 3927474, 4363860, 5236632, 6545790, 7854948, 8727720, 9818685, 13091580, 15709896, 19637370, 26183160, 39274740, 78549480]

約数ペア:

[(1, 78549480), (2, 39274740), (3, 26183160), (4, 19637370), (5, 15709896), (6, 13091580), (8, 9818685), (9, 8727720), (10, 7854948), (12, 6545790), (15, 5236632), (18, 4363860), (20, 3927474), (24, 3272895), (27, 2909240), (30, 2618316), (36, 2181930), (40, 1963737), (45, 1745544), (54, 1454620), (60, 1309158), (72, 1090965), (90, 872772), (108, 727310), (120, 654579), (135, 581848), (180, 436386), (216, 363655), (257, 305640), (270, 290924), (283, 277560), (360, 218193), (514, 152820), (540, 145462), (566, 138780), (771, 101880), (849, 92520), (1028, 76410), (1080, 72731), (1132, 69390), (1285, 61128), (1415, 55512), (1542, 50940), (1698, 46260), (2056, 38205), (2264, 34695), (2313, 33960), (2547, 30840), (2570, 30564), (2830, 27756), (3084, 25470), (3396, 23130), (3855, 20376), (4245, 18504), (4626, 16980), (5094, 15420), (5140, 15282), (5660, 13878), (6168, 12735), (6792, 11565), (6939, 11320), (7641, 10280), (7710, 10188), (8490, 9252)]