77221620

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{659}}^1$

素因数の和:715

約数の個数: 192

約数和(自身を含む): 283852800

約数和(自身を除く): 206631180

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 31, 35, 36, 42, 45, 54, 60, 62, 63, 70, 84, 90, 93, 105, 108, 124, 126, 135, 140, 155, 180, 186, 189, 210, 217, 252, 270, 279, 310, 315, 372, 378, 420, 434, 465, 540, 558, 620, 630, 651, 659, 756, 837, 868, 930, 945, 1085, 1116, 1260, 1302, 1318, 1395, 1674, 1860, 1890, 1953, 1977, 2170, 2604, 2636, 2790, 3255, 3295, 3348, 3780, 3906, 3954, 4185, 4340, 4613, 5580, 5859, 5931, 6510, 6590, 7812, 7908, 8370, 9226, 9765, 9885, 11718, 11862, 13020, 13180, 13839, 16740, 17793, 18452, 19530, 19770, 20429, 23065, 23436, 23724, 27678, 29295, 29655, 35586, 39060, 39540, 40858, 41517, 46130, 55356, 58590, 59310, 61287, 69195, 71172, 81716, 83034, 88965, 92260, 102145, 117180, 118620, 122574, 124551, 138390, 143003, 166068, 177930, 183861, 204290, 207585, 245148, 249102, 276780, 286006, 306435, 355860, 367722, 408580, 415170, 429009, 498204, 551583, 572012, 612870, 622755, 715015, 735444, 830340, 858018, 919305, 1103166, 1225740, 1245510, 1287027, 1430030, 1716036, 1838610, 2145045, 2206332, 2491020, 2574054, 2757915, 2860060, 3677220, 3861081, 4290090, 5148108, 5515830, 6435135, 7722162, 8580180, 11031660, 12870270, 15444324, 19305405, 25740540, 38610810, 77221620]

約数ペア:

[(1, 77221620), (2, 38610810), (3, 25740540), (4, 19305405), (5, 15444324), (6, 12870270), (7, 11031660), (9, 8580180), (10, 7722162), (12, 6435135), (14, 5515830), (15, 5148108), (18, 4290090), (20, 3861081), (21, 3677220), (27, 2860060), (28, 2757915), (30, 2574054), (31, 2491020), (35, 2206332), (36, 2145045), (42, 1838610), (45, 1716036), (54, 1430030), (60, 1287027), (62, 1245510), (63, 1225740), (70, 1103166), (84, 919305), (90, 858018), (93, 830340), (105, 735444), (108, 715015), (124, 622755), (126, 612870), (135, 572012), (140, 551583), (155, 498204), (180, 429009), (186, 415170), (189, 408580), (210, 367722), (217, 355860), (252, 306435), (270, 286006), (279, 276780), (310, 249102), (315, 245148), (372, 207585), (378, 204290), (420, 183861), (434, 177930), (465, 166068), (540, 143003), (558, 138390), (620, 124551), (630, 122574), (651, 118620), (659, 117180), (756, 102145), (837, 92260), (868, 88965), (930, 83034), (945, 81716), (1085, 71172), (1116, 69195), (1260, 61287), (1302, 59310), (1318, 58590), (1395, 55356), (1674, 46130), (1860, 41517), (1890, 40858), (1953, 39540), (1977, 39060), (2170, 35586), (2604, 29655), (2636, 29295), (2790, 27678), (3255, 23724), (3295, 23436), (3348, 23065), (3780, 20429), (3906, 19770), (3954, 19530), (4185, 18452), (4340, 17793), (4613, 16740), (5580, 13839), (5859, 13180), (5931, 13020), (6510, 11862), (6590, 11718), (7812, 9885), (7908, 9765), (8370, 9226)]