1989381420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{12689}}^1$

素因数の和:12784

約数の個数: 144

約数和(自身を含む): 6596160480

約数和(自身を除く): 4606779060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 67, 78, 90, 117, 130, 134, 156, 180, 195, 201, 234, 260, 268, 335, 390, 402, 468, 585, 603, 670, 780, 804, 871, 1005, 1170, 1206, 1340, 1742, 2010, 2340, 2412, 2613, 3015, 3484, 4020, 4355, 5226, 6030, 7839, 8710, 10452, 12060, 12689, 13065, 15678, 17420, 25378, 26130, 31356, 38067, 39195, 50756, 52260, 63445, 76134, 78390, 114201, 126890, 152268, 156780, 164957, 190335, 228402, 253780, 329914, 380670, 456804, 494871, 571005, 659828, 761340, 824785, 850163, 989742, 1142010, 1484613, 1649570, 1700326, 1979484, 2284020, 2474355, 2550489, 2969226, 3299140, 3400652, 4250815, 4948710, 5100978, 5938452, 7423065, 7651467, 8501630, 9897420, 10201956, 11052119, 12752445, 14846130, 15302934, 17003260, 22104238, 25504890, 29692260, 30605868, 33156357, 38257335, 44208476, 51009780, 55260595, 66312714, 76514670, 99469071, 110521190, 132625428, 153029340, 165781785, 198938142, 221042380, 331563570, 397876284, 497345355, 663127140, 994690710, 1989381420]

約数ペア:

[(1, 1989381420), (2, 994690710), (3, 663127140), (4, 497345355), (5, 397876284), (6, 331563570), (9, 221042380), (10, 198938142), (12, 165781785), (13, 153029340), (15, 132625428), (18, 110521190), (20, 99469071), (26, 76514670), (30, 66312714), (36, 55260595), (39, 51009780), (45, 44208476), (52, 38257335), (60, 33156357), (65, 30605868), (67, 29692260), (78, 25504890), (90, 22104238), (117, 17003260), (130, 15302934), (134, 14846130), (156, 12752445), (180, 11052119), (195, 10201956), (201, 9897420), (234, 8501630), (260, 7651467), (268, 7423065), (335, 5938452), (390, 5100978), (402, 4948710), (468, 4250815), (585, 3400652), (603, 3299140), (670, 2969226), (780, 2550489), (804, 2474355), (871, 2284020), (1005, 1979484), (1170, 1700326), (1206, 1649570), (1340, 1484613), (1742, 1142010), (2010, 989742), (2340, 850163), (2412, 824785), (2613, 761340), (3015, 659828), (3484, 571005), (4020, 494871), (4355, 456804), (5226, 380670), (6030, 329914), (7839, 253780), (8710, 228402), (10452, 190335), (12060, 164957), (12689, 156780), (13065, 152268), (15678, 126890), (17420, 114201), (25378, 78390), (26130, 76134), (31356, 63445), (38067, 52260), (39195, 50756)]