2931140240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{2557}}^1$

素因数の和:2689

約数の個数: 160

約数和(自身を含む): 8221616640

約数和(自身を除く): 5290476400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 70, 80, 89, 92, 112, 115, 140, 161, 178, 184, 230, 280, 322, 356, 368, 445, 460, 560, 623, 644, 712, 805, 890, 920, 1246, 1288, 1424, 1610, 1780, 1840, 2047, 2492, 2557, 2576, 3115, 3220, 3560, 4094, 4984, 5114, 6230, 6440, 7120, 8188, 9968, 10228, 10235, 12460, 12785, 12880, 14329, 16376, 17899, 20456, 20470, 24920, 25570, 28658, 32752, 35798, 40912, 40940, 49840, 51140, 57316, 58811, 71596, 71645, 81880, 89495, 102280, 114632, 117622, 143192, 143290, 163760, 178990, 204560, 227573, 229264, 235244, 286384, 286580, 294055, 357980, 411677, 455146, 470488, 573160, 588110, 715960, 823354, 910292, 940976, 1137865, 1146320, 1176220, 1431920, 1593011, 1646708, 1820584, 2058385, 2275730, 2352440, 3186022, 3293416, 3641168, 4116770, 4551460, 4704880, 5234179, 6372044, 6586832, 7965055, 8233540, 9102920, 10468358, 12744088, 15930110, 16467080, 18205840, 20936716, 25488176, 26170895, 31860220, 32934160, 36639253, 41873432, 52341790, 63720440, 73278506, 83746864, 104683580, 127440880, 146557012, 183196265, 209367160, 293114024, 366392530, 418734320, 586228048, 732785060, 1465570120, 2931140240]

約数ペア:

[(1, 2931140240), (2, 1465570120), (4, 732785060), (5, 586228048), (7, 418734320), (8, 366392530), (10, 293114024), (14, 209367160), (16, 183196265), (20, 146557012), (23, 127440880), (28, 104683580), (35, 83746864), (40, 73278506), (46, 63720440), (56, 52341790), (70, 41873432), (80, 36639253), (89, 32934160), (92, 31860220), (112, 26170895), (115, 25488176), (140, 20936716), (161, 18205840), (178, 16467080), (184, 15930110), (230, 12744088), (280, 10468358), (322, 9102920), (356, 8233540), (368, 7965055), (445, 6586832), (460, 6372044), (560, 5234179), (623, 4704880), (644, 4551460), (712, 4116770), (805, 3641168), (890, 3293416), (920, 3186022), (1246, 2352440), (1288, 2275730), (1424, 2058385), (1610, 1820584), (1780, 1646708), (1840, 1593011), (2047, 1431920), (2492, 1176220), (2557, 1146320), (2576, 1137865), (3115, 940976), (3220, 910292), (3560, 823354), (4094, 715960), (4984, 588110), (5114, 573160), (6230, 470488), (6440, 455146), (7120, 411677), (8188, 357980), (9968, 294055), (10228, 286580), (10235, 286384), (12460, 235244), (12785, 229264), (12880, 227573), (14329, 204560), (16376, 178990), (17899, 163760), (20456, 143290), (20470, 143192), (24920, 117622), (25570, 114632), (28658, 102280), (32752, 89495), (35798, 81880), (40912, 71645), (40940, 71596), (49840, 58811), (51140, 57316)]