255671640

素因数分解:

$2^3\times 3^4\times 5^1\times 7^1\times {\mathrm{11273}}^1$

素因数の和:11303

約数の個数: 160

約数和(自身を含む): 982190880

約数和(自身を除く): 726519240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 81, 84, 90, 105, 108, 120, 126, 135, 140, 162, 168, 180, 189, 210, 216, 252, 270, 280, 315, 324, 360, 378, 405, 420, 504, 540, 567, 630, 648, 756, 810, 840, 945, 1080, 1134, 1260, 1512, 1620, 1890, 2268, 2520, 2835, 3240, 3780, 4536, 5670, 7560, 11273, 11340, 22546, 22680, 33819, 45092, 56365, 67638, 78911, 90184, 101457, 112730, 135276, 157822, 169095, 202914, 225460, 236733, 270552, 304371, 315644, 338190, 394555, 405828, 450920, 473466, 507285, 608742, 631288, 676380, 710199, 789110, 811656, 913113, 946932, 1014570, 1183665, 1217484, 1352760, 1420398, 1521855, 1578220, 1826226, 1893864, 2029140, 2130597, 2367330, 2434968, 2840796, 3043710, 3156440, 3550995, 3652452, 4058280, 4261194, 4565565, 4734660, 5681592, 6087420, 6391791, 7101990, 7304904, 8522388, 9131130, 9469320, 10652985, 12174840, 12783582, 14203980, 17044776, 18262260, 21305970, 25567164, 28407960, 31958955, 36524520, 42611940, 51134328, 63917910, 85223880, 127835820, 255671640]

約数ペア:

[(1, 255671640), (2, 127835820), (3, 85223880), (4, 63917910), (5, 51134328), (6, 42611940), (7, 36524520), (8, 31958955), (9, 28407960), (10, 25567164), (12, 21305970), (14, 18262260), (15, 17044776), (18, 14203980), (20, 12783582), (21, 12174840), (24, 10652985), (27, 9469320), (28, 9131130), (30, 8522388), (35, 7304904), (36, 7101990), (40, 6391791), (42, 6087420), (45, 5681592), (54, 4734660), (56, 4565565), (60, 4261194), (63, 4058280), (70, 3652452), (72, 3550995), (81, 3156440), (84, 3043710), (90, 2840796), (105, 2434968), (108, 2367330), (120, 2130597), (126, 2029140), (135, 1893864), (140, 1826226), (162, 1578220), (168, 1521855), (180, 1420398), (189, 1352760), (210, 1217484), (216, 1183665), (252, 1014570), (270, 946932), (280, 913113), (315, 811656), (324, 789110), (360, 710199), (378, 676380), (405, 631288), (420, 608742), (504, 507285), (540, 473466), (567, 450920), (630, 405828), (648, 394555), (756, 338190), (810, 315644), (840, 304371), (945, 270552), (1080, 236733), (1134, 225460), (1260, 202914), (1512, 169095), (1620, 157822), (1890, 135276), (2268, 112730), (2520, 101457), (2835, 90184), (3240, 78911), (3780, 67638), (4536, 56365), (5670, 45092), (7560, 33819), (11273, 22680), (11340, 22546)]