78901020

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{359}}^1$

素因数の和:425

約数の個数: 192

約数和(自身を含む): 275788800

約数和(自身を除く): 196887780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 27, 30, 33, 36, 37, 44, 45, 54, 55, 60, 66, 74, 90, 99, 108, 110, 111, 132, 135, 148, 165, 180, 185, 198, 220, 222, 270, 297, 330, 333, 359, 370, 396, 407, 444, 495, 540, 555, 594, 660, 666, 718, 740, 814, 990, 999, 1077, 1110, 1188, 1221, 1332, 1436, 1485, 1628, 1665, 1795, 1980, 1998, 2035, 2154, 2220, 2442, 2970, 3231, 3330, 3590, 3663, 3949, 3996, 4070, 4308, 4884, 4995, 5385, 5940, 6105, 6462, 6660, 7180, 7326, 7898, 8140, 9693, 9990, 10770, 10989, 11847, 12210, 12924, 13283, 14652, 15796, 16155, 18315, 19386, 19745, 19980, 21540, 21978, 23694, 24420, 26566, 32310, 35541, 36630, 38772, 39490, 39849, 43956, 47388, 48465, 53132, 54945, 59235, 64620, 66415, 71082, 73260, 78980, 79698, 96930, 106623, 109890, 118470, 119547, 132830, 142164, 146113, 159396, 177705, 193860, 199245, 213246, 219780, 236940, 239094, 265660, 292226, 355410, 358641, 398490, 426492, 438339, 478188, 533115, 584452, 597735, 710820, 717282, 730565, 796980, 876678, 1066230, 1195470, 1315017, 1434564, 1461130, 1753356, 1793205, 2132460, 2191695, 2390940, 2630034, 2922260, 3586410, 3945051, 4383390, 5260068, 6575085, 7172820, 7890102, 8766780, 13150170, 15780204, 19725255, 26300340, 39450510, 78901020]

約数ペア:

[(1, 78901020), (2, 39450510), (3, 26300340), (4, 19725255), (5, 15780204), (6, 13150170), (9, 8766780), (10, 7890102), (11, 7172820), (12, 6575085), (15, 5260068), (18, 4383390), (20, 3945051), (22, 3586410), (27, 2922260), (30, 2630034), (33, 2390940), (36, 2191695), (37, 2132460), (44, 1793205), (45, 1753356), (54, 1461130), (55, 1434564), (60, 1315017), (66, 1195470), (74, 1066230), (90, 876678), (99, 796980), (108, 730565), (110, 717282), (111, 710820), (132, 597735), (135, 584452), (148, 533115), (165, 478188), (180, 438339), (185, 426492), (198, 398490), (220, 358641), (222, 355410), (270, 292226), (297, 265660), (330, 239094), (333, 236940), (359, 219780), (370, 213246), (396, 199245), (407, 193860), (444, 177705), (495, 159396), (540, 146113), (555, 142164), (594, 132830), (660, 119547), (666, 118470), (718, 109890), (740, 106623), (814, 96930), (990, 79698), (999, 78980), (1077, 73260), (1110, 71082), (1188, 66415), (1221, 64620), (1332, 59235), (1436, 54945), (1485, 53132), (1628, 48465), (1665, 47388), (1795, 43956), (1980, 39849), (1998, 39490), (2035, 38772), (2154, 36630), (2220, 35541), (2442, 32310), (2970, 26566), (3231, 24420), (3330, 23694), (3590, 21978), (3663, 21540), (3949, 19980), (3996, 19745), (4070, 19386), (4308, 18315), (4884, 16155), (4995, 15796), (5385, 14652), (5940, 13283), (6105, 12924), (6462, 12210), (6660, 11847), (7180, 10989), (7326, 10770), (7898, 9990), (8140, 9693)]