2978820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1$

素因数の和:114

約数の個数: 144

約数和(自身を含む): 10395840

約数和(自身を除く): 7417020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 19, 20, 26, 30, 36, 38, 39, 45, 52, 57, 60, 65, 67, 76, 78, 90, 95, 114, 117, 130, 134, 156, 171, 180, 190, 195, 201, 228, 234, 247, 260, 268, 285, 335, 342, 380, 390, 402, 468, 494, 570, 585, 603, 670, 684, 741, 780, 804, 855, 871, 988, 1005, 1140, 1170, 1206, 1235, 1273, 1340, 1482, 1710, 1742, 2010, 2223, 2340, 2412, 2470, 2546, 2613, 2964, 3015, 3420, 3484, 3705, 3819, 4020, 4355, 4446, 4940, 5092, 5226, 6030, 6365, 7410, 7638, 7839, 8710, 8892, 10452, 11115, 11457, 12060, 12730, 13065, 14820, 15276, 15678, 16549, 17420, 19095, 22230, 22914, 25460, 26130, 31356, 33098, 38190, 39195, 44460, 45828, 49647, 52260, 57285, 66196, 76380, 78390, 82745, 99294, 114570, 148941, 156780, 165490, 198588, 229140, 248235, 297882, 330980, 496470, 595764, 744705, 992940, 1489410, 2978820]

約数ペア:

[(1, 2978820), (2, 1489410), (3, 992940), (4, 744705), (5, 595764), (6, 496470), (9, 330980), (10, 297882), (12, 248235), (13, 229140), (15, 198588), (18, 165490), (19, 156780), (20, 148941), (26, 114570), (30, 99294), (36, 82745), (38, 78390), (39, 76380), (45, 66196), (52, 57285), (57, 52260), (60, 49647), (65, 45828), (67, 44460), (76, 39195), (78, 38190), (90, 33098), (95, 31356), (114, 26130), (117, 25460), (130, 22914), (134, 22230), (156, 19095), (171, 17420), (180, 16549), (190, 15678), (195, 15276), (201, 14820), (228, 13065), (234, 12730), (247, 12060), (260, 11457), (268, 11115), (285, 10452), (335, 8892), (342, 8710), (380, 7839), (390, 7638), (402, 7410), (468, 6365), (494, 6030), (570, 5226), (585, 5092), (603, 4940), (670, 4446), (684, 4355), (741, 4020), (780, 3819), (804, 3705), (855, 3484), (871, 3420), (988, 3015), (1005, 2964), (1140, 2613), (1170, 2546), (1206, 2470), (1235, 2412), (1273, 2340), (1340, 2223), (1482, 2010), (1710, 1742)]