78236480

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{659}}^1$

素因数の和:736

約数の個数: 112

約数和(自身を含む): 217261440

約数和(自身を除く): 139024960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 53, 56, 64, 70, 80, 106, 112, 140, 160, 212, 224, 265, 280, 320, 371, 424, 448, 530, 560, 659, 742, 848, 1060, 1120, 1318, 1484, 1696, 1855, 2120, 2240, 2636, 2968, 3295, 3392, 3710, 4240, 4613, 5272, 5936, 6590, 7420, 8480, 9226, 10544, 11872, 13180, 14840, 16960, 18452, 21088, 23065, 23744, 26360, 29680, 34927, 36904, 42176, 46130, 52720, 59360, 69854, 73808, 92260, 105440, 118720, 139708, 147616, 174635, 184520, 210880, 244489, 279416, 295232, 349270, 369040, 488978, 558832, 698540, 738080, 977956, 1117664, 1222445, 1397080, 1476160, 1955912, 2235328, 2444890, 2794160, 3911824, 4889780, 5588320, 7823648, 9779560, 11176640, 15647296, 19559120, 39118240, 78236480]

約数ペア:

[(1, 78236480), (2, 39118240), (4, 19559120), (5, 15647296), (7, 11176640), (8, 9779560), (10, 7823648), (14, 5588320), (16, 4889780), (20, 3911824), (28, 2794160), (32, 2444890), (35, 2235328), (40, 1955912), (53, 1476160), (56, 1397080), (64, 1222445), (70, 1117664), (80, 977956), (106, 738080), (112, 698540), (140, 558832), (160, 488978), (212, 369040), (224, 349270), (265, 295232), (280, 279416), (320, 244489), (371, 210880), (424, 184520), (448, 174635), (530, 147616), (560, 139708), (659, 118720), (742, 105440), (848, 92260), (1060, 73808), (1120, 69854), (1318, 59360), (1484, 52720), (1696, 46130), (1855, 42176), (2120, 36904), (2240, 34927), (2636, 29680), (2968, 26360), (3295, 23744), (3392, 23065), (3710, 21088), (4240, 18452), (4613, 16960), (5272, 14840), (5936, 13180), (6590, 11872), (7420, 10544), (8480, 9226)]