23418640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:141

約数の個数: 160

約数和(自身を含む): 68567040

約数和(自身を除く): 45148400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 31, 35, 38, 40, 56, 62, 70, 71, 76, 80, 95, 112, 124, 133, 140, 142, 152, 155, 190, 217, 248, 266, 280, 284, 304, 310, 355, 380, 434, 496, 497, 532, 560, 568, 589, 620, 665, 710, 760, 868, 994, 1064, 1085, 1136, 1178, 1240, 1330, 1349, 1420, 1520, 1736, 1988, 2128, 2170, 2201, 2356, 2480, 2485, 2660, 2698, 2840, 2945, 3472, 3976, 4123, 4340, 4402, 4712, 4970, 5320, 5396, 5680, 5890, 6745, 7952, 8246, 8680, 8804, 9424, 9443, 9940, 10640, 10792, 11005, 11780, 13490, 15407, 16492, 17360, 17608, 18886, 19880, 20615, 21584, 22010, 23560, 26980, 30814, 32984, 35216, 37772, 39760, 41230, 41819, 44020, 47120, 47215, 53960, 61628, 65968, 75544, 77035, 82460, 83638, 88040, 94430, 107920, 123256, 151088, 154070, 164920, 167276, 176080, 188860, 209095, 246512, 292733, 308140, 329840, 334552, 377720, 418190, 585466, 616280, 669104, 755440, 836380, 1170932, 1232560, 1463665, 1672760, 2341864, 2927330, 3345520, 4683728, 5854660, 11709320, 23418640]

約数ペア:

[(1, 23418640), (2, 11709320), (4, 5854660), (5, 4683728), (7, 3345520), (8, 2927330), (10, 2341864), (14, 1672760), (16, 1463665), (19, 1232560), (20, 1170932), (28, 836380), (31, 755440), (35, 669104), (38, 616280), (40, 585466), (56, 418190), (62, 377720), (70, 334552), (71, 329840), (76, 308140), (80, 292733), (95, 246512), (112, 209095), (124, 188860), (133, 176080), (140, 167276), (142, 164920), (152, 154070), (155, 151088), (190, 123256), (217, 107920), (248, 94430), (266, 88040), (280, 83638), (284, 82460), (304, 77035), (310, 75544), (355, 65968), (380, 61628), (434, 53960), (496, 47215), (497, 47120), (532, 44020), (560, 41819), (568, 41230), (589, 39760), (620, 37772), (665, 35216), (710, 32984), (760, 30814), (868, 26980), (994, 23560), (1064, 22010), (1085, 21584), (1136, 20615), (1178, 19880), (1240, 18886), (1330, 17608), (1349, 17360), (1420, 16492), (1520, 15407), (1736, 13490), (1988, 11780), (2128, 11005), (2170, 10792), (2201, 10640), (2356, 9940), (2480, 9443), (2485, 9424), (2660, 8804), (2698, 8680), (2840, 8246), (2945, 7952), (3472, 6745), (3976, 5890), (4123, 5680), (4340, 5396), (4402, 5320), (4712, 4970)]