77573720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{379}}^1$

素因数の和:457

約数の個数: 128

約数和(自身を含む): 216691200

約数和(自身を除く): 139117480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 43, 56, 68, 70, 85, 86, 119, 136, 140, 170, 172, 215, 238, 280, 301, 340, 344, 379, 430, 476, 595, 602, 680, 731, 758, 860, 952, 1190, 1204, 1462, 1505, 1516, 1720, 1895, 2380, 2408, 2653, 2924, 3010, 3032, 3655, 3790, 4760, 5117, 5306, 5848, 6020, 6443, 7310, 7580, 10234, 10612, 12040, 12886, 13265, 14620, 15160, 16297, 20468, 21224, 25585, 25772, 26530, 29240, 32215, 32594, 40936, 45101, 51170, 51544, 53060, 64430, 65188, 81485, 90202, 102340, 106120, 114079, 128860, 130376, 162970, 180404, 204680, 225505, 228158, 257720, 277049, 325940, 360808, 451010, 456316, 554098, 570395, 651880, 902020, 912632, 1108196, 1140790, 1385245, 1804040, 1939343, 2216392, 2281580, 2770490, 3878686, 4563160, 5540980, 7757372, 9696715, 11081960, 15514744, 19393430, 38786860, 77573720]

約数ペア:

[(1, 77573720), (2, 38786860), (4, 19393430), (5, 15514744), (7, 11081960), (8, 9696715), (10, 7757372), (14, 5540980), (17, 4563160), (20, 3878686), (28, 2770490), (34, 2281580), (35, 2216392), (40, 1939343), (43, 1804040), (56, 1385245), (68, 1140790), (70, 1108196), (85, 912632), (86, 902020), (119, 651880), (136, 570395), (140, 554098), (170, 456316), (172, 451010), (215, 360808), (238, 325940), (280, 277049), (301, 257720), (340, 228158), (344, 225505), (379, 204680), (430, 180404), (476, 162970), (595, 130376), (602, 128860), (680, 114079), (731, 106120), (758, 102340), (860, 90202), (952, 81485), (1190, 65188), (1204, 64430), (1462, 53060), (1505, 51544), (1516, 51170), (1720, 45101), (1895, 40936), (2380, 32594), (2408, 32215), (2653, 29240), (2924, 26530), (3010, 25772), (3032, 25585), (3655, 21224), (3790, 20468), (4760, 16297), (5117, 15160), (5306, 14620), (5848, 13265), (6020, 12886), (6443, 12040), (7310, 10612), (7580, 10234)]