64620045

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1$

素因数の和:160

約数の個数: 128

約数和(自身を含む): 142848000

約数和(自身を除く): 78227955

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 27, 35, 45, 57, 59, 61, 63, 95, 105, 133, 135, 171, 177, 183, 189, 285, 295, 305, 315, 399, 413, 427, 513, 531, 549, 665, 855, 885, 915, 945, 1121, 1159, 1197, 1239, 1281, 1593, 1647, 1995, 2065, 2135, 2565, 2655, 2745, 3363, 3477, 3591, 3599, 3717, 3843, 5605, 5795, 5985, 6195, 6405, 7847, 7965, 8113, 8235, 10089, 10431, 10797, 11151, 11529, 16815, 17385, 17955, 17995, 18585, 19215, 23541, 24339, 25193, 30267, 31293, 32391, 39235, 40565, 50445, 52155, 53985, 55755, 57645, 68381, 70623, 73017, 75579, 97173, 117705, 121695, 125965, 151335, 156465, 161955, 205143, 211869, 219051, 226737, 341905, 353115, 365085, 377895, 478667, 485865, 615429, 680211, 1025715, 1059345, 1095255, 1133685, 1436001, 1846287, 2393335, 3077145, 3401055, 4308003, 7180005, 9231435, 12924009, 21540015, 64620045]

約数ペア:

[(1, 64620045), (3, 21540015), (5, 12924009), (7, 9231435), (9, 7180005), (15, 4308003), (19, 3401055), (21, 3077145), (27, 2393335), (35, 1846287), (45, 1436001), (57, 1133685), (59, 1095255), (61, 1059345), (63, 1025715), (95, 680211), (105, 615429), (133, 485865), (135, 478667), (171, 377895), (177, 365085), (183, 353115), (189, 341905), (285, 226737), (295, 219051), (305, 211869), (315, 205143), (399, 161955), (413, 156465), (427, 151335), (513, 125965), (531, 121695), (549, 117705), (665, 97173), (855, 75579), (885, 73017), (915, 70623), (945, 68381), (1121, 57645), (1159, 55755), (1197, 53985), (1239, 52155), (1281, 50445), (1593, 40565), (1647, 39235), (1995, 32391), (2065, 31293), (2135, 30267), (2565, 25193), (2655, 24339), (2745, 23541), (3363, 19215), (3477, 18585), (3591, 17995), (3599, 17955), (3717, 17385), (3843, 16815), (5605, 11529), (5795, 11151), (5985, 10797), (6195, 10431), (6405, 10089), (7847, 8235), (7965, 8113)]