200318720

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{283}}^1$

素因数の和:390

約数の個数: 144

約数和(自身を含む): 557276160

約数和(自身を除く): 356957440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 79, 80, 112, 128, 140, 158, 160, 224, 256, 280, 283, 316, 320, 395, 448, 553, 560, 566, 632, 640, 790, 896, 1106, 1120, 1132, 1264, 1280, 1415, 1580, 1792, 1981, 2212, 2240, 2264, 2528, 2765, 2830, 3160, 3962, 4424, 4480, 4528, 5056, 5530, 5660, 6320, 7924, 8848, 8960, 9056, 9905, 10112, 11060, 11320, 12640, 15848, 17696, 18112, 19810, 20224, 22120, 22357, 22640, 25280, 31696, 35392, 36224, 39620, 44240, 44714, 45280, 50560, 63392, 70784, 72448, 79240, 88480, 89428, 90560, 101120, 111785, 126784, 141568, 156499, 158480, 176960, 178856, 181120, 223570, 253568, 312998, 316960, 353920, 357712, 362240, 447140, 507136, 625996, 633920, 707840, 715424, 782495, 894280, 1251992, 1267840, 1430848, 1564990, 1788560, 2503984, 2535680, 2861696, 3129980, 3577120, 5007968, 5723392, 6259960, 7154240, 10015936, 12519920, 14308480, 20031872, 25039840, 28616960, 40063744, 50079680, 100159360, 200318720]

約数ペア:

[(1, 200318720), (2, 100159360), (4, 50079680), (5, 40063744), (7, 28616960), (8, 25039840), (10, 20031872), (14, 14308480), (16, 12519920), (20, 10015936), (28, 7154240), (32, 6259960), (35, 5723392), (40, 5007968), (56, 3577120), (64, 3129980), (70, 2861696), (79, 2535680), (80, 2503984), (112, 1788560), (128, 1564990), (140, 1430848), (158, 1267840), (160, 1251992), (224, 894280), (256, 782495), (280, 715424), (283, 707840), (316, 633920), (320, 625996), (395, 507136), (448, 447140), (553, 362240), (560, 357712), (566, 353920), (632, 316960), (640, 312998), (790, 253568), (896, 223570), (1106, 181120), (1120, 178856), (1132, 176960), (1264, 158480), (1280, 156499), (1415, 141568), (1580, 126784), (1792, 111785), (1981, 101120), (2212, 90560), (2240, 89428), (2264, 88480), (2528, 79240), (2765, 72448), (2830, 70784), (3160, 63392), (3962, 50560), (4424, 45280), (4480, 44714), (4528, 44240), (5056, 39620), (5530, 36224), (5660, 35392), (6320, 31696), (7924, 25280), (8848, 22640), (8960, 22357), (9056, 22120), (9905, 20224), (10112, 19810), (11060, 18112), (11320, 17696), (12640, 15848)]