15779880

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{769}}^1$

素因数の和:808

約数の個数: 128

約数和(自身を含む): 55440000

約数和(自身を除く): 39660120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 54, 57, 60, 72, 76, 90, 95, 108, 114, 120, 135, 152, 171, 180, 190, 216, 228, 270, 285, 342, 360, 380, 456, 513, 540, 570, 684, 760, 769, 855, 1026, 1080, 1140, 1368, 1538, 1710, 2052, 2280, 2307, 2565, 3076, 3420, 3845, 4104, 4614, 5130, 6152, 6840, 6921, 7690, 9228, 10260, 11535, 13842, 14611, 15380, 18456, 20520, 20763, 23070, 27684, 29222, 30760, 34605, 41526, 43833, 46140, 55368, 58444, 69210, 73055, 83052, 87666, 92280, 103815, 116888, 131499, 138420, 146110, 166104, 175332, 207630, 219165, 262998, 276840, 292220, 350664, 394497, 415260, 438330, 525996, 584440, 657495, 788994, 830520, 876660, 1051992, 1314990, 1577988, 1753320, 1972485, 2629980, 3155976, 3944970, 5259960, 7889940, 15779880]

約数ペア:

[(1, 15779880), (2, 7889940), (3, 5259960), (4, 3944970), (5, 3155976), (6, 2629980), (8, 1972485), (9, 1753320), (10, 1577988), (12, 1314990), (15, 1051992), (18, 876660), (19, 830520), (20, 788994), (24, 657495), (27, 584440), (30, 525996), (36, 438330), (38, 415260), (40, 394497), (45, 350664), (54, 292220), (57, 276840), (60, 262998), (72, 219165), (76, 207630), (90, 175332), (95, 166104), (108, 146110), (114, 138420), (120, 131499), (135, 116888), (152, 103815), (171, 92280), (180, 87666), (190, 83052), (216, 73055), (228, 69210), (270, 58444), (285, 55368), (342, 46140), (360, 43833), (380, 41526), (456, 34605), (513, 30760), (540, 29222), (570, 27684), (684, 23070), (760, 20763), (769, 20520), (855, 18456), (1026, 15380), (1080, 14611), (1140, 13842), (1368, 11535), (1538, 10260), (1710, 9228), (2052, 7690), (2280, 6921), (2307, 6840), (2565, 6152), (3076, 5130), (3420, 4614), (3845, 4104)]