26281320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{991}}^1$

素因数の和:1035

約数の個数: 128

約数和(自身を含む): 89994240

約数和(自身を除く): 63712920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 17, 20, 24, 26, 30, 34, 39, 40, 51, 52, 60, 65, 68, 78, 85, 102, 104, 120, 130, 136, 156, 170, 195, 204, 221, 255, 260, 312, 340, 390, 408, 442, 510, 520, 663, 680, 780, 884, 991, 1020, 1105, 1326, 1560, 1768, 1982, 2040, 2210, 2652, 2973, 3315, 3964, 4420, 4955, 5304, 5946, 6630, 7928, 8840, 9910, 11892, 12883, 13260, 14865, 16847, 19820, 23784, 25766, 26520, 29730, 33694, 38649, 39640, 50541, 51532, 59460, 64415, 67388, 77298, 84235, 101082, 103064, 118920, 128830, 134776, 154596, 168470, 193245, 202164, 219011, 252705, 257660, 309192, 336940, 386490, 404328, 438022, 505410, 515320, 657033, 673880, 772980, 876044, 1010820, 1095055, 1314066, 1545960, 1752088, 2021640, 2190110, 2628132, 3285165, 4380220, 5256264, 6570330, 8760440, 13140660, 26281320]

約数ペア:

[(1, 26281320), (2, 13140660), (3, 8760440), (4, 6570330), (5, 5256264), (6, 4380220), (8, 3285165), (10, 2628132), (12, 2190110), (13, 2021640), (15, 1752088), (17, 1545960), (20, 1314066), (24, 1095055), (26, 1010820), (30, 876044), (34, 772980), (39, 673880), (40, 657033), (51, 515320), (52, 505410), (60, 438022), (65, 404328), (68, 386490), (78, 336940), (85, 309192), (102, 257660), (104, 252705), (120, 219011), (130, 202164), (136, 193245), (156, 168470), (170, 154596), (195, 134776), (204, 128830), (221, 118920), (255, 103064), (260, 101082), (312, 84235), (340, 77298), (390, 67388), (408, 64415), (442, 59460), (510, 51532), (520, 50541), (663, 39640), (680, 38649), (780, 33694), (884, 29730), (991, 26520), (1020, 25766), (1105, 23784), (1326, 19820), (1560, 16847), (1768, 14865), (1982, 13260), (2040, 12883), (2210, 11892), (2652, 9910), (2973, 8840), (3315, 7928), (3964, 6630), (4420, 5946), (4955, 5304)]