72318120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^4\times {\mathrm{251}}^1$

素因数の和:293

約数の個数: 160

約数和(自身を含む): 254106720

約数和(自身を除く): 181788600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 84, 98, 105, 120, 140, 147, 168, 196, 210, 245, 251, 280, 294, 343, 392, 420, 490, 502, 588, 686, 735, 753, 840, 980, 1004, 1029, 1176, 1255, 1372, 1470, 1506, 1715, 1757, 1960, 2008, 2058, 2401, 2510, 2744, 2940, 3012, 3430, 3514, 3765, 4116, 4802, 5020, 5145, 5271, 5880, 6024, 6860, 7028, 7203, 7530, 8232, 8785, 9604, 10040, 10290, 10542, 12005, 12299, 13720, 14056, 14406, 15060, 17570, 19208, 20580, 21084, 24010, 24598, 26355, 28812, 30120, 35140, 36015, 36897, 41160, 42168, 48020, 49196, 52710, 57624, 61495, 70280, 72030, 73794, 86093, 96040, 98392, 105420, 122990, 144060, 147588, 172186, 184485, 210840, 245980, 258279, 288120, 295176, 344372, 368970, 430465, 491960, 516558, 602651, 688744, 737940, 860930, 1033116, 1205302, 1291395, 1475880, 1721860, 1807953, 2066232, 2410604, 2582790, 3013255, 3443720, 3615906, 4821208, 5165580, 6026510, 7231812, 9039765, 10331160, 12053020, 14463624, 18079530, 24106040, 36159060, 72318120]

約数ペア:

[(1, 72318120), (2, 36159060), (3, 24106040), (4, 18079530), (5, 14463624), (6, 12053020), (7, 10331160), (8, 9039765), (10, 7231812), (12, 6026510), (14, 5165580), (15, 4821208), (20, 3615906), (21, 3443720), (24, 3013255), (28, 2582790), (30, 2410604), (35, 2066232), (40, 1807953), (42, 1721860), (49, 1475880), (56, 1291395), (60, 1205302), (70, 1033116), (84, 860930), (98, 737940), (105, 688744), (120, 602651), (140, 516558), (147, 491960), (168, 430465), (196, 368970), (210, 344372), (245, 295176), (251, 288120), (280, 258279), (294, 245980), (343, 210840), (392, 184485), (420, 172186), (490, 147588), (502, 144060), (588, 122990), (686, 105420), (735, 98392), (753, 96040), (840, 86093), (980, 73794), (1004, 72030), (1029, 70280), (1176, 61495), (1255, 57624), (1372, 52710), (1470, 49196), (1506, 48020), (1715, 42168), (1757, 41160), (1960, 36897), (2008, 36015), (2058, 35140), (2401, 30120), (2510, 28812), (2744, 26355), (2940, 24598), (3012, 24010), (3430, 21084), (3514, 20580), (3765, 19208), (4116, 17570), (4802, 15060), (5020, 14406), (5145, 14056), (5271, 13720), (5880, 12299), (6024, 12005), (6860, 10542), (7028, 10290), (7203, 10040), (7530, 9604), (8232, 8785)]