72997560

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{211}}^1$

素因数の和:290

約数の個数: 144

約数和(自身を含む): 246303720

約数和(自身を除く): 173306160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 31, 36, 40, 45, 60, 62, 72, 90, 93, 120, 124, 155, 180, 186, 211, 248, 279, 310, 360, 372, 422, 465, 558, 620, 633, 744, 844, 930, 961, 1055, 1116, 1240, 1266, 1395, 1688, 1860, 1899, 1922, 2110, 2232, 2532, 2790, 2883, 3165, 3720, 3798, 3844, 4220, 4805, 5064, 5580, 5766, 6330, 6541, 7596, 7688, 8440, 8649, 9495, 9610, 11160, 11532, 12660, 13082, 14415, 15192, 17298, 18990, 19220, 19623, 23064, 25320, 26164, 28830, 32705, 34596, 37980, 38440, 39246, 43245, 52328, 57660, 58869, 65410, 69192, 75960, 78492, 86490, 98115, 115320, 117738, 130820, 156984, 172980, 196230, 202771, 235476, 261640, 294345, 345960, 392460, 405542, 470952, 588690, 608313, 784920, 811084, 1013855, 1177380, 1216626, 1622168, 1824939, 2027710, 2354760, 2433252, 3041565, 3649878, 4055420, 4866504, 6083130, 7299756, 8110840, 9124695, 12166260, 14599512, 18249390, 24332520, 36498780, 72997560]

約数ペア:

[(1, 72997560), (2, 36498780), (3, 24332520), (4, 18249390), (5, 14599512), (6, 12166260), (8, 9124695), (9, 8110840), (10, 7299756), (12, 6083130), (15, 4866504), (18, 4055420), (20, 3649878), (24, 3041565), (30, 2433252), (31, 2354760), (36, 2027710), (40, 1824939), (45, 1622168), (60, 1216626), (62, 1177380), (72, 1013855), (90, 811084), (93, 784920), (120, 608313), (124, 588690), (155, 470952), (180, 405542), (186, 392460), (211, 345960), (248, 294345), (279, 261640), (310, 235476), (360, 202771), (372, 196230), (422, 172980), (465, 156984), (558, 130820), (620, 117738), (633, 115320), (744, 98115), (844, 86490), (930, 78492), (961, 75960), (1055, 69192), (1116, 65410), (1240, 58869), (1266, 57660), (1395, 52328), (1688, 43245), (1860, 39246), (1899, 38440), (1922, 37980), (2110, 34596), (2232, 32705), (2532, 28830), (2790, 26164), (2883, 25320), (3165, 23064), (3720, 19623), (3798, 19220), (3844, 18990), (4220, 17298), (4805, 15192), (5064, 14415), (5580, 13082), (5766, 12660), (6330, 11532), (6541, 11160), (7596, 9610), (7688, 9495), (8440, 8649)]