72990400

素因数分解:

$2^6\times 5^2\times 7^4\times {\mathrm{19}}^1$

素因数の和:69

約数の個数: 210

約数和(自身を含む): 220550740

約数和(自身を除く): 147560340

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 25, 28, 32, 35, 38, 40, 49, 50, 56, 64, 70, 76, 80, 95, 98, 100, 112, 133, 140, 152, 160, 175, 190, 196, 200, 224, 245, 266, 280, 304, 320, 343, 350, 380, 392, 400, 448, 475, 490, 532, 560, 608, 665, 686, 700, 760, 784, 800, 931, 950, 980, 1064, 1120, 1216, 1225, 1330, 1372, 1400, 1520, 1568, 1600, 1715, 1862, 1900, 1960, 2128, 2240, 2401, 2450, 2660, 2744, 2800, 3040, 3136, 3325, 3430, 3724, 3800, 3920, 4256, 4655, 4802, 4900, 5320, 5488, 5600, 6080, 6517, 6650, 6860, 7448, 7600, 7840, 8512, 8575, 9310, 9604, 9800, 10640, 10976, 11200, 12005, 13034, 13300, 13720, 14896, 15200, 15680, 17150, 18620, 19208, 19600, 21280, 21952, 23275, 24010, 26068, 26600, 27440, 29792, 30400, 32585, 34300, 37240, 38416, 39200, 42560, 45619, 46550, 48020, 52136, 53200, 54880, 59584, 60025, 65170, 68600, 74480, 76832, 78400, 91238, 93100, 96040, 104272, 106400, 109760, 120050, 130340, 137200, 148960, 153664, 162925, 182476, 186200, 192080, 208544, 212800, 228095, 240100, 260680, 274400, 297920, 325850, 364952, 372400, 384160, 417088, 456190, 480200, 521360, 548800, 651700, 729904, 744800, 768320, 912380, 960400, 1042720, 1140475, 1303400, 1459808, 1489600, 1824760, 1920800, 2085440, 2280950, 2606800, 2919616, 3649520, 3841600, 4561900, 5213600, 7299040, 9123800, 10427200, 14598080, 18247600, 36495200, 72990400]

約数ペア:

[(1, 72990400), (2, 36495200), (4, 18247600), (5, 14598080), (7, 10427200), (8, 9123800), (10, 7299040), (14, 5213600), (16, 4561900), (19, 3841600), (20, 3649520), (25, 2919616), (28, 2606800), (32, 2280950), (35, 2085440), (38, 1920800), (40, 1824760), (49, 1489600), (50, 1459808), (56, 1303400), (64, 1140475), (70, 1042720), (76, 960400), (80, 912380), (95, 768320), (98, 744800), (100, 729904), (112, 651700), (133, 548800), (140, 521360), (152, 480200), (160, 456190), (175, 417088), (190, 384160), (196, 372400), (200, 364952), (224, 325850), (245, 297920), (266, 274400), (280, 260680), (304, 240100), (320, 228095), (343, 212800), (350, 208544), (380, 192080), (392, 186200), (400, 182476), (448, 162925), (475, 153664), (490, 148960), (532, 137200), (560, 130340), (608, 120050), (665, 109760), (686, 106400), (700, 104272), (760, 96040), (784, 93100), (800, 91238), (931, 78400), (950, 76832), (980, 74480), (1064, 68600), (1120, 65170), (1216, 60025), (1225, 59584), (1330, 54880), (1372, 53200), (1400, 52136), (1520, 48020), (1568, 46550), (1600, 45619), (1715, 42560), (1862, 39200), (1900, 38416), (1960, 37240), (2128, 34300), (2240, 32585), (2401, 30400), (2450, 29792), (2660, 27440), (2744, 26600), (2800, 26068), (3040, 24010), (3136, 23275), (3325, 21952), (3430, 21280), (3724, 19600), (3800, 19208), (3920, 18620), (4256, 17150), (4655, 15680), (4802, 15200), (4900, 14896), (5320, 13720), (5488, 13300), (5600, 13034), (6080, 12005), (6517, 11200), (6650, 10976), (6860, 10640), (7448, 9800), (7600, 9604), (7840, 9310), (8512, 8575)]