51151860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1$

素因数の和:238

約数の個数: 144

約数和(自身を含む): 163537920

約数和(自身を除く): 112386060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 89, 90, 93, 103, 124, 155, 178, 180, 186, 206, 267, 279, 309, 310, 356, 372, 412, 445, 465, 515, 534, 558, 618, 620, 801, 890, 927, 930, 1030, 1068, 1116, 1236, 1335, 1395, 1545, 1602, 1780, 1854, 1860, 2060, 2670, 2759, 2790, 3090, 3193, 3204, 3708, 4005, 4635, 5340, 5518, 5580, 6180, 6386, 8010, 8277, 9167, 9270, 9579, 11036, 12772, 13795, 15965, 16020, 16554, 18334, 18540, 19158, 24831, 27501, 27590, 28737, 31930, 33108, 36668, 38316, 41385, 45835, 47895, 49662, 55002, 55180, 57474, 63860, 82503, 82770, 91670, 95790, 99324, 110004, 114948, 124155, 137505, 143685, 165006, 165540, 183340, 191580, 248310, 275010, 284177, 287370, 330012, 412515, 496620, 550020, 568354, 574740, 825030, 852531, 1136708, 1420885, 1650060, 1705062, 2557593, 2841770, 3410124, 4262655, 5115186, 5683540, 8525310, 10230372, 12787965, 17050620, 25575930, 51151860]

約数ペア:

[(1, 51151860), (2, 25575930), (3, 17050620), (4, 12787965), (5, 10230372), (6, 8525310), (9, 5683540), (10, 5115186), (12, 4262655), (15, 3410124), (18, 2841770), (20, 2557593), (30, 1705062), (31, 1650060), (36, 1420885), (45, 1136708), (60, 852531), (62, 825030), (89, 574740), (90, 568354), (93, 550020), (103, 496620), (124, 412515), (155, 330012), (178, 287370), (180, 284177), (186, 275010), (206, 248310), (267, 191580), (279, 183340), (309, 165540), (310, 165006), (356, 143685), (372, 137505), (412, 124155), (445, 114948), (465, 110004), (515, 99324), (534, 95790), (558, 91670), (618, 82770), (620, 82503), (801, 63860), (890, 57474), (927, 55180), (930, 55002), (1030, 49662), (1068, 47895), (1116, 45835), (1236, 41385), (1335, 38316), (1395, 36668), (1545, 33108), (1602, 31930), (1780, 28737), (1854, 27590), (1860, 27501), (2060, 24831), (2670, 19158), (2759, 18540), (2790, 18334), (3090, 16554), (3193, 16020), (3204, 15965), (3708, 13795), (4005, 12772), (4635, 11036), (5340, 9579), (5518, 9270), (5580, 9167), (6180, 8277), (6386, 8010)]