291907980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{251}}^1$

素因数の和:357

約数の個数: 288

約数和(自身を含む): 1109541888

約数和(自身を除く): 817633908

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 39, 42, 45, 52, 60, 63, 65, 70, 71, 78, 84, 90, 91, 105, 117, 126, 130, 140, 142, 156, 180, 182, 195, 210, 213, 234, 251, 252, 260, 273, 284, 315, 355, 364, 390, 420, 426, 455, 468, 497, 502, 546, 585, 630, 639, 710, 753, 780, 819, 852, 910, 923, 994, 1004, 1065, 1092, 1170, 1255, 1260, 1278, 1365, 1420, 1491, 1506, 1638, 1757, 1820, 1846, 1988, 2130, 2259, 2340, 2485, 2510, 2556, 2730, 2769, 2982, 3012, 3195, 3263, 3276, 3514, 3692, 3765, 4095, 4260, 4473, 4518, 4615, 4970, 5020, 5271, 5460, 5538, 5964, 6390, 6461, 6526, 7028, 7455, 7530, 8190, 8307, 8785, 8946, 9036, 9230, 9789, 9940, 10542, 11076, 11295, 12780, 12922, 13052, 13845, 14910, 15060, 15813, 16315, 16380, 16614, 17570, 17821, 17892, 18460, 19383, 19578, 21084, 22365, 22590, 22841, 25844, 26355, 27690, 29367, 29820, 31626, 32305, 32630, 33228, 35140, 35642, 38766, 39156, 41535, 44730, 45180, 45682, 48945, 52710, 53463, 55380, 58149, 58734, 63252, 64610, 65260, 68523, 71284, 77532, 79065, 83070, 89105, 89460, 91364, 96915, 97890, 105420, 106926, 114205, 116298, 117468, 124747, 129220, 137046, 146835, 158130, 160389, 166140, 178210, 193830, 195780, 205569, 213852, 228410, 231673, 232596, 249494, 267315, 274092, 290745, 293670, 316260, 320778, 342615, 356420, 374241, 387660, 411138, 456820, 463346, 498988, 534630, 581490, 587340, 623735, 641556, 685230, 695019, 748482, 801945, 822276, 926692, 1027845, 1069260, 1122723, 1158365, 1162980, 1247470, 1370460, 1390038, 1496964, 1603890, 1621711, 1871205, 2055690, 2085057, 2245446, 2316730, 2494940, 2780076, 3207780, 3243422, 3475095, 3742410, 4111380, 4170114, 4490892, 4633460, 4865133, 5613615, 6486844, 6950190, 7484820, 8108555, 8340228, 9730266, 10425285, 11227230, 13900380, 14595399, 16217110, 19460532, 20850570, 22454460, 24325665, 29190798, 32434220, 41701140, 48651330, 58381596, 72976995, 97302660, 145953990, 291907980]

約数ペア:

[(1, 291907980), (2, 145953990), (3, 97302660), (4, 72976995), (5, 58381596), (6, 48651330), (7, 41701140), (9, 32434220), (10, 29190798), (12, 24325665), (13, 22454460), (14, 20850570), (15, 19460532), (18, 16217110), (20, 14595399), (21, 13900380), (26, 11227230), (28, 10425285), (30, 9730266), (35, 8340228), (36, 8108555), (39, 7484820), (42, 6950190), (45, 6486844), (52, 5613615), (60, 4865133), (63, 4633460), (65, 4490892), (70, 4170114), (71, 4111380), (78, 3742410), (84, 3475095), (90, 3243422), (91, 3207780), (105, 2780076), (117, 2494940), (126, 2316730), (130, 2245446), (140, 2085057), (142, 2055690), (156, 1871205), (180, 1621711), (182, 1603890), (195, 1496964), (210, 1390038), (213, 1370460), (234, 1247470), (251, 1162980), (252, 1158365), (260, 1122723), (273, 1069260), (284, 1027845), (315, 926692), (355, 822276), (364, 801945), (390, 748482), (420, 695019), (426, 685230), (455, 641556), (468, 623735), (497, 587340), (502, 581490), (546, 534630), (585, 498988), (630, 463346), (639, 456820), (710, 411138), (753, 387660), (780, 374241), (819, 356420), (852, 342615), (910, 320778), (923, 316260), (994, 293670), (1004, 290745), (1065, 274092), (1092, 267315), (1170, 249494), (1255, 232596), (1260, 231673), (1278, 228410), (1365, 213852), (1420, 205569), (1491, 195780), (1506, 193830), (1638, 178210), (1757, 166140), (1820, 160389), (1846, 158130), (1988, 146835), (2130, 137046), (2259, 129220), (2340, 124747), (2485, 117468), (2510, 116298), (2556, 114205), (2730, 106926), (2769, 105420), (2982, 97890), (3012, 96915), (3195, 91364), (3263, 89460), (3276, 89105), (3514, 83070), (3692, 79065), (3765, 77532), (4095, 71284), (4260, 68523), (4473, 65260), (4518, 64610), (4615, 63252), (4970, 58734), (5020, 58149), (5271, 55380), (5460, 53463), (5538, 52710), (5964, 48945), (6390, 45682), (6461, 45180), (6526, 44730), (7028, 41535), (7455, 39156), (7530, 38766), (8190, 35642), (8307, 35140), (8785, 33228), (8946, 32630), (9036, 32305), (9230, 31626), (9789, 29820), (9940, 29367), (10542, 27690), (11076, 26355), (11295, 25844), (12780, 22841), (12922, 22590), (13052, 22365), (13845, 21084), (14910, 19578), (15060, 19383), (15813, 18460), (16315, 17892), (16380, 17821), (16614, 17570)]