78005970

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{277}}^1$

素因数の和:449

約数の個数: 128

約数和(自身を含む): 240192000

約数和(自身を除く): 162186030

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 149, 189, 210, 270, 277, 298, 315, 378, 447, 554, 630, 745, 831, 894, 945, 1043, 1341, 1385, 1490, 1662, 1890, 1939, 2086, 2235, 2493, 2682, 2770, 3129, 3878, 4023, 4155, 4470, 4986, 5215, 5817, 6258, 6705, 7479, 8046, 8310, 9387, 9695, 10430, 11634, 12465, 13410, 14958, 15645, 17451, 18774, 19390, 20115, 24930, 28161, 29085, 31290, 34902, 37395, 40230, 41273, 46935, 52353, 56322, 58170, 74790, 82546, 87255, 93870, 104706, 123819, 140805, 174510, 206365, 247638, 261765, 281610, 288911, 371457, 412730, 523530, 577822, 619095, 742914, 866733, 1114371, 1238190, 1444555, 1733466, 1857285, 2228742, 2600199, 2889110, 3714570, 4333665, 5200398, 5571855, 7800597, 8667330, 11143710, 13000995, 15601194, 26001990, 39002985, 78005970]

約数ペア:

[(1, 78005970), (2, 39002985), (3, 26001990), (5, 15601194), (6, 13000995), (7, 11143710), (9, 8667330), (10, 7800597), (14, 5571855), (15, 5200398), (18, 4333665), (21, 3714570), (27, 2889110), (30, 2600199), (35, 2228742), (42, 1857285), (45, 1733466), (54, 1444555), (63, 1238190), (70, 1114371), (90, 866733), (105, 742914), (126, 619095), (135, 577822), (149, 523530), (189, 412730), (210, 371457), (270, 288911), (277, 281610), (298, 261765), (315, 247638), (378, 206365), (447, 174510), (554, 140805), (630, 123819), (745, 104706), (831, 93870), (894, 87255), (945, 82546), (1043, 74790), (1341, 58170), (1385, 56322), (1490, 52353), (1662, 46935), (1890, 41273), (1939, 40230), (2086, 37395), (2235, 34902), (2493, 31290), (2682, 29085), (2770, 28161), (3129, 24930), (3878, 20115), (4023, 19390), (4155, 18774), (4470, 17451), (4986, 15645), (5215, 14958), (5817, 13410), (6258, 12465), (6705, 11634), (7479, 10430), (8046, 9695), (8310, 9387)]