64813860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{359}}^1$

素因数の和:450

約数の個数: 144

約数和(自身を含む): 212284800

約数和(自身を除く): 147470940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 59, 60, 68, 85, 90, 102, 118, 153, 170, 177, 180, 204, 236, 255, 295, 306, 340, 354, 359, 510, 531, 590, 612, 708, 718, 765, 885, 1003, 1020, 1062, 1077, 1180, 1436, 1530, 1770, 1795, 2006, 2124, 2154, 2655, 3009, 3060, 3231, 3540, 3590, 4012, 4308, 5015, 5310, 5385, 6018, 6103, 6462, 7180, 9027, 10030, 10620, 10770, 12036, 12206, 12924, 15045, 16155, 18054, 18309, 20060, 21181, 21540, 24412, 30090, 30515, 32310, 36108, 36618, 42362, 45135, 54927, 60180, 61030, 63543, 64620, 73236, 84724, 90270, 91545, 105905, 109854, 122060, 127086, 180540, 183090, 190629, 211810, 219708, 254172, 274635, 317715, 360077, 366180, 381258, 423620, 549270, 635430, 720154, 762516, 953145, 1080231, 1098540, 1270860, 1440308, 1800385, 1906290, 2160462, 3240693, 3600770, 3812580, 4320924, 5401155, 6481386, 7201540, 10802310, 12962772, 16203465, 21604620, 32406930, 64813860]

約数ペア:

[(1, 64813860), (2, 32406930), (3, 21604620), (4, 16203465), (5, 12962772), (6, 10802310), (9, 7201540), (10, 6481386), (12, 5401155), (15, 4320924), (17, 3812580), (18, 3600770), (20, 3240693), (30, 2160462), (34, 1906290), (36, 1800385), (45, 1440308), (51, 1270860), (59, 1098540), (60, 1080231), (68, 953145), (85, 762516), (90, 720154), (102, 635430), (118, 549270), (153, 423620), (170, 381258), (177, 366180), (180, 360077), (204, 317715), (236, 274635), (255, 254172), (295, 219708), (306, 211810), (340, 190629), (354, 183090), (359, 180540), (510, 127086), (531, 122060), (590, 109854), (612, 105905), (708, 91545), (718, 90270), (765, 84724), (885, 73236), (1003, 64620), (1020, 63543), (1062, 61030), (1077, 60180), (1180, 54927), (1436, 45135), (1530, 42362), (1770, 36618), (1795, 36108), (2006, 32310), (2124, 30515), (2154, 30090), (2655, 24412), (3009, 21540), (3060, 21181), (3231, 20060), (3540, 18309), (3590, 18054), (4012, 16155), (4308, 15045), (5015, 12924), (5310, 12206), (5385, 12036), (6018, 10770), (6103, 10620), (6462, 10030), (7180, 9027)]