20939810040

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{269}}^1\times {\mathrm{72077}}^1$

素因数の和:72366

約数の個数: 128

約数和(自身を含む): 70059816000

約数和(自身を除く): 49120005960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 269, 270, 360, 538, 540, 807, 1076, 1080, 1345, 1614, 2152, 2421, 2690, 3228, 4035, 4842, 5380, 6456, 7263, 8070, 9684, 10760, 12105, 14526, 16140, 19368, 24210, 29052, 32280, 36315, 48420, 58104, 72077, 72630, 96840, 144154, 145260, 216231, 288308, 290520, 360385, 432462, 576616, 648693, 720770, 864924, 1081155, 1297386, 1441540, 1729848, 1946079, 2162310, 2594772, 2883080, 3243465, 3892158, 4324620, 5189544, 6486930, 7784316, 8649240, 9730395, 12973860, 15568632, 19388713, 19460790, 25947720, 38777426, 38921580, 58166139, 77554852, 77843160, 96943565, 116332278, 155109704, 174498417, 193887130, 232664556, 290830695, 348996834, 387774260, 465329112, 523495251, 581661390, 697993668, 775548520, 872492085, 1046990502, 1163322780, 1395987336, 1744984170, 2093981004, 2326645560, 2617476255, 3489968340, 4187962008, 5234952510, 6979936680, 10469905020, 20939810040]

約数ペア:

[(1, 20939810040), (2, 10469905020), (3, 6979936680), (4, 5234952510), (5, 4187962008), (6, 3489968340), (8, 2617476255), (9, 2326645560), (10, 2093981004), (12, 1744984170), (15, 1395987336), (18, 1163322780), (20, 1046990502), (24, 872492085), (27, 775548520), (30, 697993668), (36, 581661390), (40, 523495251), (45, 465329112), (54, 387774260), (60, 348996834), (72, 290830695), (90, 232664556), (108, 193887130), (120, 174498417), (135, 155109704), (180, 116332278), (216, 96943565), (269, 77843160), (270, 77554852), (360, 58166139), (538, 38921580), (540, 38777426), (807, 25947720), (1076, 19460790), (1080, 19388713), (1345, 15568632), (1614, 12973860), (2152, 9730395), (2421, 8649240), (2690, 7784316), (3228, 6486930), (4035, 5189544), (4842, 4324620), (5380, 3892158), (6456, 3243465), (7263, 2883080), (8070, 2594772), (9684, 2162310), (10760, 1946079), (12105, 1729848), (14526, 1441540), (16140, 1297386), (19368, 1081155), (24210, 864924), (29052, 720770), (32280, 648693), (36315, 576616), (48420, 432462), (58104, 360385), (72077, 290520), (72630, 288308), (96840, 216231), (144154, 145260)]