1815559020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{2689}}^1$

素因数の和:2757

約数の個数: 216

約数和(自身を含む): 6250957440

約数和(自身を除く): 4435398420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 31, 33, 36, 44, 45, 55, 60, 62, 66, 90, 93, 99, 110, 121, 124, 132, 155, 165, 180, 186, 198, 220, 242, 279, 310, 330, 341, 363, 372, 396, 465, 484, 495, 558, 605, 620, 660, 682, 726, 930, 990, 1023, 1089, 1116, 1210, 1364, 1395, 1452, 1705, 1815, 1860, 1980, 2046, 2178, 2420, 2689, 2790, 3069, 3410, 3630, 3751, 4092, 4356, 5115, 5378, 5445, 5580, 6138, 6820, 7260, 7502, 8067, 10230, 10756, 10890, 11253, 12276, 13445, 15004, 15345, 16134, 18755, 20460, 21780, 22506, 24201, 26890, 29579, 30690, 32268, 33759, 37510, 40335, 45012, 48402, 53780, 56265, 59158, 61380, 67518, 75020, 80670, 83359, 88737, 96804, 112530, 118316, 121005, 135036, 147895, 161340, 166718, 168795, 177474, 225060, 242010, 250077, 266211, 295790, 325369, 333436, 337590, 354948, 416795, 443685, 484020, 500154, 532422, 591580, 650738, 675180, 750231, 833590, 887370, 916949, 976107, 1000308, 1064844, 1250385, 1301476, 1331055, 1500462, 1626845, 1667180, 1774740, 1833898, 1952214, 2500770, 2662110, 2750847, 2928321, 3000924, 3253690, 3667796, 3751155, 3904428, 4584745, 4880535, 5001540, 5324220, 5501694, 5856642, 6507380, 7502310, 8252541, 9169490, 9761070, 10086439, 11003388, 11713284, 13754235, 14641605, 15004620, 16505082, 18338980, 19522140, 20172878, 27508470, 29283210, 30259317, 33010164, 40345756, 41262705, 50432195, 55016940, 58566420, 60518634, 82525410, 90777951, 100864390, 121037268, 151296585, 165050820, 181555902, 201728780, 302593170, 363111804, 453889755, 605186340, 907779510, 1815559020]

約数ペア:

[(1, 1815559020), (2, 907779510), (3, 605186340), (4, 453889755), (5, 363111804), (6, 302593170), (9, 201728780), (10, 181555902), (11, 165050820), (12, 151296585), (15, 121037268), (18, 100864390), (20, 90777951), (22, 82525410), (30, 60518634), (31, 58566420), (33, 55016940), (36, 50432195), (44, 41262705), (45, 40345756), (55, 33010164), (60, 30259317), (62, 29283210), (66, 27508470), (90, 20172878), (93, 19522140), (99, 18338980), (110, 16505082), (121, 15004620), (124, 14641605), (132, 13754235), (155, 11713284), (165, 11003388), (180, 10086439), (186, 9761070), (198, 9169490), (220, 8252541), (242, 7502310), (279, 6507380), (310, 5856642), (330, 5501694), (341, 5324220), (363, 5001540), (372, 4880535), (396, 4584745), (465, 3904428), (484, 3751155), (495, 3667796), (558, 3253690), (605, 3000924), (620, 2928321), (660, 2750847), (682, 2662110), (726, 2500770), (930, 1952214), (990, 1833898), (1023, 1774740), (1089, 1667180), (1116, 1626845), (1210, 1500462), (1364, 1331055), (1395, 1301476), (1452, 1250385), (1705, 1064844), (1815, 1000308), (1860, 976107), (1980, 916949), (2046, 887370), (2178, 833590), (2420, 750231), (2689, 675180), (2790, 650738), (3069, 591580), (3410, 532422), (3630, 500154), (3751, 484020), (4092, 443685), (4356, 416795), (5115, 354948), (5378, 337590), (5445, 333436), (5580, 325369), (6138, 295790), (6820, 266211), (7260, 250077), (7502, 242010), (8067, 225060), (10230, 177474), (10756, 168795), (10890, 166718), (11253, 161340), (12276, 147895), (13445, 135036), (15004, 121005), (15345, 118316), (16134, 112530), (18755, 96804), (20460, 88737), (21780, 83359), (22506, 80670), (24201, 75020), (26890, 67518), (29579, 61380), (30690, 59158), (32268, 56265), (33759, 53780), (37510, 48402), (40335, 45012)]