15702406020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{397}}^1\times {\mathrm{31391}}^1$

素因数の和:31810

約数の個数: 144

約数和(自身を含む): 54573861888

約数和(自身を除く): 38871455868

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, 252, 315, 397, 420, 630, 794, 1191, 1260, 1588, 1985, 2382, 2779, 3573, 3970, 4764, 5558, 5955, 7146, 7940, 8337, 11116, 11910, 13895, 14292, 16674, 17865, 23820, 25011, 27790, 31391, 33348, 35730, 41685, 50022, 55580, 62782, 71460, 83370, 94173, 100044, 125055, 125564, 156955, 166740, 188346, 219737, 250110, 282519, 313910, 376692, 439474, 470865, 500220, 565038, 627820, 659211, 878948, 941730, 1098685, 1130076, 1318422, 1412595, 1883460, 1977633, 2197370, 2636844, 2825190, 3296055, 3955266, 4394740, 5650380, 6592110, 7910532, 9888165, 12462227, 13184220, 19776330, 24924454, 37386681, 39552660, 49848908, 62311135, 74773362, 87235589, 112160043, 124622270, 149546724, 174471178, 186933405, 224320086, 249244540, 261706767, 348942356, 373866810, 436177945, 448640172, 523413534, 560800215, 747733620, 785120301, 872355890, 1046827068, 1121600430, 1308533835, 1570240602, 1744711780, 2243200860, 2617067670, 3140481204, 3925601505, 5234135340, 7851203010, 15702406020]

約数ペア:

[(1, 15702406020), (2, 7851203010), (3, 5234135340), (4, 3925601505), (5, 3140481204), (6, 2617067670), (7, 2243200860), (9, 1744711780), (10, 1570240602), (12, 1308533835), (14, 1121600430), (15, 1046827068), (18, 872355890), (20, 785120301), (21, 747733620), (28, 560800215), (30, 523413534), (35, 448640172), (36, 436177945), (42, 373866810), (45, 348942356), (60, 261706767), (63, 249244540), (70, 224320086), (84, 186933405), (90, 174471178), (105, 149546724), (126, 124622270), (140, 112160043), (180, 87235589), (210, 74773362), (252, 62311135), (315, 49848908), (397, 39552660), (420, 37386681), (630, 24924454), (794, 19776330), (1191, 13184220), (1260, 12462227), (1588, 9888165), (1985, 7910532), (2382, 6592110), (2779, 5650380), (3573, 4394740), (3970, 3955266), (4764, 3296055), (5558, 2825190), (5955, 2636844), (7146, 2197370), (7940, 1977633), (8337, 1883460), (11116, 1412595), (11910, 1318422), (13895, 1130076), (14292, 1098685), (16674, 941730), (17865, 878948), (23820, 659211), (25011, 627820), (27790, 565038), (31391, 500220), (33348, 470865), (35730, 439474), (41685, 376692), (50022, 313910), (55580, 282519), (62782, 250110), (71460, 219737), (83370, 188346), (94173, 166740), (100044, 156955), (125055, 125564)]