155294720

素因数分解:

$2^{10}\times 5^1\times 7^2\times {\mathrm{619}}^1$

素因数の和:658

約数の個数: 132

約数和(自身を含む): 434045880

約数和(自身を除く): 278751160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 256, 280, 320, 392, 448, 490, 512, 560, 619, 640, 784, 896, 980, 1024, 1120, 1238, 1280, 1568, 1792, 1960, 2240, 2476, 2560, 3095, 3136, 3584, 3920, 4333, 4480, 4952, 5120, 6190, 6272, 7168, 7840, 8666, 8960, 9904, 12380, 12544, 15680, 17332, 17920, 19808, 21665, 24760, 25088, 30331, 31360, 34664, 35840, 39616, 43330, 49520, 50176, 60662, 62720, 69328, 79232, 86660, 99040, 121324, 125440, 138656, 151655, 158464, 173320, 198080, 242648, 250880, 277312, 303310, 316928, 346640, 396160, 485296, 554624, 606620, 633856, 693280, 792320, 970592, 1109248, 1213240, 1386560, 1584640, 1941184, 2218496, 2426480, 2773120, 3169280, 3882368, 4436992, 4852960, 5546240, 7764736, 9705920, 11092480, 15529472, 19411840, 22184960, 31058944, 38823680, 77647360, 155294720]

約数ペア:

[(1, 155294720), (2, 77647360), (4, 38823680), (5, 31058944), (7, 22184960), (8, 19411840), (10, 15529472), (14, 11092480), (16, 9705920), (20, 7764736), (28, 5546240), (32, 4852960), (35, 4436992), (40, 3882368), (49, 3169280), (56, 2773120), (64, 2426480), (70, 2218496), (80, 1941184), (98, 1584640), (112, 1386560), (128, 1213240), (140, 1109248), (160, 970592), (196, 792320), (224, 693280), (245, 633856), (256, 606620), (280, 554624), (320, 485296), (392, 396160), (448, 346640), (490, 316928), (512, 303310), (560, 277312), (619, 250880), (640, 242648), (784, 198080), (896, 173320), (980, 158464), (1024, 151655), (1120, 138656), (1238, 125440), (1280, 121324), (1568, 99040), (1792, 86660), (1960, 79232), (2240, 69328), (2476, 62720), (2560, 60662), (3095, 50176), (3136, 49520), (3584, 43330), (3920, 39616), (4333, 35840), (4480, 34664), (4952, 31360), (5120, 30331), (6190, 25088), (6272, 24760), (7168, 21665), (7840, 19808), (8666, 17920), (8960, 17332), (9904, 15680), (12380, 12544)]