80253720

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{3911}}^1$

素因数の和:3950

約数の個数: 128

約数和(自身を含む): 281664000

約数和(自身を除く): 201410280

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, 855, 1026, 1080, 1140, 1368, 1710, 2052, 2280, 2565, 3420, 3911, 4104, 5130, 6840, 7822, 10260, 11733, 15644, 19555, 20520, 23466, 31288, 35199, 39110, 46932, 58665, 70398, 74309, 78220, 93864, 105597, 117330, 140796, 148618, 156440, 175995, 211194, 222927, 234660, 281592, 297236, 351990, 371545, 422388, 445854, 469320, 527985, 594472, 668781, 703980, 743090, 844776, 891708, 1055970, 1114635, 1337562, 1407960, 1486180, 1783416, 2006343, 2111940, 2229270, 2675124, 2972360, 3343905, 4012686, 4223880, 4458540, 5350248, 6687810, 8025372, 8917080, 10031715, 13375620, 16050744, 20063430, 26751240, 40126860, 80253720]

約数ペア:

[(1, 80253720), (2, 40126860), (3, 26751240), (4, 20063430), (5, 16050744), (6, 13375620), (8, 10031715), (9, 8917080), (10, 8025372), (12, 6687810), (15, 5350248), (18, 4458540), (19, 4223880), (20, 4012686), (24, 3343905), (27, 2972360), (30, 2675124), (36, 2229270), (38, 2111940), (40, 2006343), (45, 1783416), (54, 1486180), (57, 1407960), (60, 1337562), (72, 1114635), (76, 1055970), (90, 891708), (95, 844776), (108, 743090), (114, 703980), (120, 668781), (135, 594472), (152, 527985), (171, 469320), (180, 445854), (190, 422388), (216, 371545), (228, 351990), (270, 297236), (285, 281592), (342, 234660), (360, 222927), (380, 211194), (456, 175995), (513, 156440), (540, 148618), (570, 140796), (684, 117330), (760, 105597), (855, 93864), (1026, 78220), (1080, 74309), (1140, 70398), (1368, 58665), (1710, 46932), (2052, 39110), (2280, 35199), (2565, 31288), (3420, 23466), (3911, 20520), (4104, 19555), (5130, 15644), (6840, 11733), (7822, 10260)]