1298493280

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{251}}^1$

素因数の和:453

約数の個数: 192

約数和(自身を含む): 3657830400

約数和(自身を除く): 2359337120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 70, 80, 112, 124, 140, 149, 155, 160, 217, 224, 248, 251, 280, 298, 310, 434, 496, 502, 560, 596, 620, 745, 868, 992, 1004, 1043, 1085, 1120, 1192, 1240, 1255, 1490, 1736, 1757, 2008, 2086, 2170, 2384, 2480, 2510, 2980, 3472, 3514, 4016, 4172, 4340, 4619, 4768, 4960, 5020, 5215, 5960, 6944, 7028, 7781, 8032, 8344, 8680, 8785, 9238, 10040, 10430, 11920, 14056, 15562, 16688, 17360, 17570, 18476, 20080, 20860, 23095, 23840, 28112, 31124, 32333, 33376, 34720, 35140, 36952, 37399, 38905, 40160, 41720, 46190, 54467, 56224, 62248, 64666, 70280, 73904, 74798, 77810, 83440, 92380, 108934, 124496, 129332, 140560, 147808, 149596, 155620, 161665, 166880, 184760, 186995, 217868, 248992, 258664, 261793, 272335, 281120, 299192, 311240, 323330, 369520, 373990, 435736, 517328, 523586, 544670, 598384, 622480, 646660, 739040, 747980, 871472, 1034656, 1047172, 1089340, 1159369, 1196768, 1244960, 1293320, 1308965, 1495960, 1742944, 2094344, 2178680, 2318738, 2586640, 2617930, 2991920, 4188688, 4357360, 4637476, 5173280, 5235860, 5796845, 5983840, 8115583, 8377376, 8714720, 9274952, 10471720, 11593690, 16231166, 18549904, 20943440, 23187380, 32462332, 37099808, 40577915, 41886880, 46374760, 64924664, 81155830, 92749520, 129849328, 162311660, 185499040, 259698656, 324623320, 649246640, 1298493280]

約数ペア:

[(1, 1298493280), (2, 649246640), (4, 324623320), (5, 259698656), (7, 185499040), (8, 162311660), (10, 129849328), (14, 92749520), (16, 81155830), (20, 64924664), (28, 46374760), (31, 41886880), (32, 40577915), (35, 37099808), (40, 32462332), (56, 23187380), (62, 20943440), (70, 18549904), (80, 16231166), (112, 11593690), (124, 10471720), (140, 9274952), (149, 8714720), (155, 8377376), (160, 8115583), (217, 5983840), (224, 5796845), (248, 5235860), (251, 5173280), (280, 4637476), (298, 4357360), (310, 4188688), (434, 2991920), (496, 2617930), (502, 2586640), (560, 2318738), (596, 2178680), (620, 2094344), (745, 1742944), (868, 1495960), (992, 1308965), (1004, 1293320), (1043, 1244960), (1085, 1196768), (1120, 1159369), (1192, 1089340), (1240, 1047172), (1255, 1034656), (1490, 871472), (1736, 747980), (1757, 739040), (2008, 646660), (2086, 622480), (2170, 598384), (2384, 544670), (2480, 523586), (2510, 517328), (2980, 435736), (3472, 373990), (3514, 369520), (4016, 323330), (4172, 311240), (4340, 299192), (4619, 281120), (4768, 272335), (4960, 261793), (5020, 258664), (5215, 248992), (5960, 217868), (6944, 186995), (7028, 184760), (7781, 166880), (8032, 161665), (8344, 155620), (8680, 149596), (8785, 147808), (9238, 140560), (10040, 129332), (10430, 124496), (11920, 108934), (14056, 92380), (15562, 83440), (16688, 77810), (17360, 74798), (17570, 73904), (18476, 70280), (20080, 64666), (20860, 62248), (23095, 56224), (23840, 54467), (28112, 46190), (31124, 41720), (32333, 40160), (33376, 38905), (34720, 37399), (35140, 36952)]