7884748620

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{26183}}^1$

素因数の和:26444

約数の個数: 144

約数和(自身を含む): 27449210880

約数和(自身を除く): 19564462260

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 239, 252, 315, 420, 478, 630, 717, 956, 1195, 1260, 1434, 1673, 2151, 2390, 2868, 3346, 3585, 4302, 4780, 5019, 6692, 7170, 8365, 8604, 10038, 10755, 14340, 15057, 16730, 20076, 21510, 25095, 26183, 30114, 33460, 43020, 50190, 52366, 60228, 75285, 78549, 100380, 104732, 130915, 150570, 157098, 183281, 235647, 261830, 301140, 314196, 366562, 392745, 471294, 523660, 549843, 733124, 785490, 916405, 942588, 1099686, 1178235, 1570980, 1649529, 1832810, 2199372, 2356470, 2749215, 3299058, 3665620, 4712940, 5498430, 6257737, 6598116, 8247645, 10996860, 12515474, 16495290, 18773211, 25030948, 31288685, 32990580, 37546422, 43804159, 56319633, 62577370, 75092844, 87608318, 93866055, 112639266, 125154740, 131412477, 175216636, 187732110, 219020795, 225278532, 262824954, 281598165, 375464220, 394237431, 438041590, 525649908, 563196330, 657062385, 788474862, 876083180, 1126392660, 1314124770, 1576949724, 1971187155, 2628249540, 3942374310, 7884748620]

約数ペア:

[(1, 7884748620), (2, 3942374310), (3, 2628249540), (4, 1971187155), (5, 1576949724), (6, 1314124770), (7, 1126392660), (9, 876083180), (10, 788474862), (12, 657062385), (14, 563196330), (15, 525649908), (18, 438041590), (20, 394237431), (21, 375464220), (28, 281598165), (30, 262824954), (35, 225278532), (36, 219020795), (42, 187732110), (45, 175216636), (60, 131412477), (63, 125154740), (70, 112639266), (84, 93866055), (90, 87608318), (105, 75092844), (126, 62577370), (140, 56319633), (180, 43804159), (210, 37546422), (239, 32990580), (252, 31288685), (315, 25030948), (420, 18773211), (478, 16495290), (630, 12515474), (717, 10996860), (956, 8247645), (1195, 6598116), (1260, 6257737), (1434, 5498430), (1673, 4712940), (2151, 3665620), (2390, 3299058), (2868, 2749215), (3346, 2356470), (3585, 2199372), (4302, 1832810), (4780, 1649529), (5019, 1570980), (6692, 1178235), (7170, 1099686), (8365, 942588), (8604, 916405), (10038, 785490), (10755, 733124), (14340, 549843), (15057, 523660), (16730, 471294), (20076, 392745), (21510, 366562), (25095, 314196), (26183, 301140), (30114, 261830), (33460, 235647), (43020, 183281), (50190, 157098), (52366, 150570), (60228, 130915), (75285, 104732), (78549, 100380)]