16445520

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{251}}^1$

素因数の和:290

約数の個数: 240

約数和(自身を含む): 68245632

約数和(自身を除く): 51800112

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 16, 18, 20, 21, 24, 26, 28, 30, 35, 36, 39, 40, 42, 45, 48, 52, 56, 60, 63, 65, 70, 72, 78, 80, 84, 90, 91, 104, 105, 112, 117, 120, 126, 130, 140, 144, 156, 168, 180, 182, 195, 208, 210, 234, 240, 251, 252, 260, 273, 280, 312, 315, 336, 360, 364, 390, 420, 455, 468, 502, 504, 520, 546, 560, 585, 624, 630, 720, 728, 753, 780, 819, 840, 910, 936, 1004, 1008, 1040, 1092, 1170, 1255, 1260, 1365, 1456, 1506, 1560, 1638, 1680, 1757, 1820, 1872, 2008, 2184, 2259, 2340, 2510, 2520, 2730, 3012, 3120, 3263, 3276, 3514, 3640, 3765, 4016, 4095, 4368, 4518, 4680, 5020, 5040, 5271, 5460, 6024, 6526, 6552, 7028, 7280, 7530, 8190, 8785, 9036, 9360, 9789, 10040, 10542, 10920, 11295, 12048, 13052, 13104, 14056, 15060, 15813, 16315, 16380, 17570, 18072, 19578, 20080, 21084, 21840, 22590, 22841, 26104, 26355, 28112, 29367, 30120, 31626, 32630, 32760, 35140, 36144, 39156, 42168, 45180, 45682, 48945, 52208, 52710, 58734, 60240, 63252, 65260, 65520, 68523, 70280, 78312, 79065, 84336, 90360, 91364, 97890, 105420, 114205, 117468, 126504, 130520, 137046, 140560, 146835, 156624, 158130, 180720, 182728, 195780, 205569, 210840, 228410, 234936, 253008, 261040, 274092, 293670, 316260, 342615, 365456, 391560, 411138, 421680, 456820, 469872, 548184, 587340, 632520, 685230, 783120, 822276, 913640, 1027845, 1096368, 1174680, 1265040, 1370460, 1644552, 1827280, 2055690, 2349360, 2740920, 3289104, 4111380, 5481840, 8222760, 16445520]

約数ペア:

[(1, 16445520), (2, 8222760), (3, 5481840), (4, 4111380), (5, 3289104), (6, 2740920), (7, 2349360), (8, 2055690), (9, 1827280), (10, 1644552), (12, 1370460), (13, 1265040), (14, 1174680), (15, 1096368), (16, 1027845), (18, 913640), (20, 822276), (21, 783120), (24, 685230), (26, 632520), (28, 587340), (30, 548184), (35, 469872), (36, 456820), (39, 421680), (40, 411138), (42, 391560), (45, 365456), (48, 342615), (52, 316260), (56, 293670), (60, 274092), (63, 261040), (65, 253008), (70, 234936), (72, 228410), (78, 210840), (80, 205569), (84, 195780), (90, 182728), (91, 180720), (104, 158130), (105, 156624), (112, 146835), (117, 140560), (120, 137046), (126, 130520), (130, 126504), (140, 117468), (144, 114205), (156, 105420), (168, 97890), (180, 91364), (182, 90360), (195, 84336), (208, 79065), (210, 78312), (234, 70280), (240, 68523), (251, 65520), (252, 65260), (260, 63252), (273, 60240), (280, 58734), (312, 52710), (315, 52208), (336, 48945), (360, 45682), (364, 45180), (390, 42168), (420, 39156), (455, 36144), (468, 35140), (502, 32760), (504, 32630), (520, 31626), (546, 30120), (560, 29367), (585, 28112), (624, 26355), (630, 26104), (720, 22841), (728, 22590), (753, 21840), (780, 21084), (819, 20080), (840, 19578), (910, 18072), (936, 17570), (1004, 16380), (1008, 16315), (1040, 15813), (1092, 15060), (1170, 14056), (1255, 13104), (1260, 13052), (1365, 12048), (1456, 11295), (1506, 10920), (1560, 10542), (1638, 10040), (1680, 9789), (1757, 9360), (1820, 9036), (1872, 8785), (2008, 8190), (2184, 7530), (2259, 7280), (2340, 7028), (2510, 6552), (2520, 6526), (2730, 6024), (3012, 5460), (3120, 5271), (3263, 5040), (3276, 5020), (3514, 4680), (3640, 4518), (3765, 4368), (4016, 4095)]