247878120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{269}}^1\times {\mathrm{1097}}^1$

素因数の和:1387

約数の個数: 128

約数和(自身を含む): 853804800

約数和(自身を除く): 605926680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 269, 280, 420, 538, 807, 840, 1076, 1097, 1345, 1614, 1883, 2152, 2194, 2690, 3228, 3291, 3766, 4035, 4388, 5380, 5485, 5649, 6456, 6582, 7532, 7679, 8070, 8776, 9415, 10760, 10970, 11298, 13164, 15064, 15358, 16140, 16455, 18830, 21940, 22596, 23037, 26328, 28245, 30716, 32280, 32910, 37660, 38395, 43880, 45192, 46074, 56490, 61432, 65820, 75320, 76790, 92148, 112980, 115185, 131640, 153580, 184296, 225960, 230370, 295093, 307160, 460740, 590186, 885279, 921480, 1180372, 1475465, 1770558, 2065651, 2360744, 2950930, 3541116, 4131302, 4426395, 5901860, 6196953, 7082232, 8262604, 8852790, 10328255, 11803720, 12393906, 16525208, 17705580, 20656510, 24787812, 30984765, 35411160, 41313020, 49575624, 61969530, 82626040, 123939060, 247878120]

約数ペア:

[(1, 247878120), (2, 123939060), (3, 82626040), (4, 61969530), (5, 49575624), (6, 41313020), (7, 35411160), (8, 30984765), (10, 24787812), (12, 20656510), (14, 17705580), (15, 16525208), (20, 12393906), (21, 11803720), (24, 10328255), (28, 8852790), (30, 8262604), (35, 7082232), (40, 6196953), (42, 5901860), (56, 4426395), (60, 4131302), (70, 3541116), (84, 2950930), (105, 2360744), (120, 2065651), (140, 1770558), (168, 1475465), (210, 1180372), (269, 921480), (280, 885279), (420, 590186), (538, 460740), (807, 307160), (840, 295093), (1076, 230370), (1097, 225960), (1345, 184296), (1614, 153580), (1883, 131640), (2152, 115185), (2194, 112980), (2690, 92148), (3228, 76790), (3291, 75320), (3766, 65820), (4035, 61432), (4388, 56490), (5380, 46074), (5485, 45192), (5649, 43880), (6456, 38395), (6582, 37660), (7532, 32910), (7679, 32280), (8070, 30716), (8776, 28245), (9415, 26328), (10760, 23037), (10970, 22596), (11298, 21940), (13164, 18830), (15064, 16455), (15358, 16140)]