180825838720

素因数分解:

$2^7\times 5^1\times {\mathrm{14887}}^1\times {\mathrm{18979}}^1$

素因数の和:33885

約数の個数: 64

約数和(自身を含む): 432338587200

約数和(自身を除く): 251512748480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 14887, 18979, 29774, 37958, 59548, 74435, 75916, 94895, 119096, 148870, 151832, 189790, 238192, 297740, 303664, 379580, 476384, 595480, 607328, 759160, 952768, 1190960, 1214656, 1518320, 1905536, 2381920, 2429312, 3036640, 4763840, 6073280, 9527680, 12146560, 282540373, 565080746, 1130161492, 1412701865, 2260322984, 2825403730, 4520645968, 5650807460, 9041291936, 11301614920, 18082583872, 22603229840, 36165167744, 45206459680, 90412919360, 180825838720]

約数ペア:

[(1, 180825838720), (2, 90412919360), (4, 45206459680), (5, 36165167744), (8, 22603229840), (10, 18082583872), (16, 11301614920), (20, 9041291936), (32, 5650807460), (40, 4520645968), (64, 2825403730), (80, 2260322984), (128, 1412701865), (160, 1130161492), (320, 565080746), (640, 282540373), (14887, 12146560), (18979, 9527680), (29774, 6073280), (37958, 4763840), (59548, 3036640), (74435, 2429312), (75916, 2381920), (94895, 1905536), (119096, 1518320), (148870, 1214656), (151832, 1190960), (189790, 952768), (238192, 759160), (297740, 607328), (303664, 595480), (379580, 476384)]