1001444220

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{21481}}^1$

素因数の和:21540

約数の個数: 144

約数和(自身を含む): 3565668288

約数和(自身を除く): 2564224068

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 37, 42, 45, 60, 63, 70, 74, 84, 90, 105, 111, 126, 140, 148, 180, 185, 210, 222, 252, 259, 315, 333, 370, 420, 444, 518, 555, 630, 666, 740, 777, 1036, 1110, 1260, 1295, 1332, 1554, 1665, 2220, 2331, 2590, 3108, 3330, 3885, 4662, 5180, 6660, 7770, 9324, 11655, 15540, 21481, 23310, 42962, 46620, 64443, 85924, 107405, 128886, 150367, 193329, 214810, 257772, 300734, 322215, 386658, 429620, 451101, 601468, 644430, 751835, 773316, 794797, 902202, 966645, 1288860, 1353303, 1503670, 1589594, 1804404, 1933290, 2255505, 2384391, 2706606, 3007340, 3179188, 3866580, 3973985, 4511010, 4768782, 5413212, 5563579, 6766515, 7153173, 7947970, 9022020, 9537564, 11127158, 11921955, 13533030, 14306346, 15895940, 16690737, 22254316, 23843910, 27066060, 27817895, 28612692, 33381474, 35765865, 47687820, 50072211, 55635790, 66762948, 71531730, 83453685, 100144422, 111271580, 143063460, 166907370, 200288844, 250361055, 333814740, 500722110, 1001444220]

約数ペア:

[(1, 1001444220), (2, 500722110), (3, 333814740), (4, 250361055), (5, 200288844), (6, 166907370), (7, 143063460), (9, 111271580), (10, 100144422), (12, 83453685), (14, 71531730), (15, 66762948), (18, 55635790), (20, 50072211), (21, 47687820), (28, 35765865), (30, 33381474), (35, 28612692), (36, 27817895), (37, 27066060), (42, 23843910), (45, 22254316), (60, 16690737), (63, 15895940), (70, 14306346), (74, 13533030), (84, 11921955), (90, 11127158), (105, 9537564), (111, 9022020), (126, 7947970), (140, 7153173), (148, 6766515), (180, 5563579), (185, 5413212), (210, 4768782), (222, 4511010), (252, 3973985), (259, 3866580), (315, 3179188), (333, 3007340), (370, 2706606), (420, 2384391), (444, 2255505), (518, 1933290), (555, 1804404), (630, 1589594), (666, 1503670), (740, 1353303), (777, 1288860), (1036, 966645), (1110, 902202), (1260, 794797), (1295, 773316), (1332, 751835), (1554, 644430), (1665, 601468), (2220, 451101), (2331, 429620), (2590, 386658), (3108, 322215), (3330, 300734), (3885, 257772), (4662, 214810), (5180, 193329), (6660, 150367), (7770, 128886), (9324, 107405), (11655, 85924), (15540, 64443), (21481, 46620), (23310, 42962)]