780565120

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{39343}}^1$

素因数の和:39393

約数の個数: 64

約数和(自身を含む): 1926282240

約数和(自身を除く): 1145717120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 496, 620, 640, 992, 1240, 1984, 2480, 3968, 4960, 9920, 19840, 39343, 78686, 157372, 196715, 314744, 393430, 629488, 786860, 1219633, 1258976, 1573720, 2439266, 2517952, 3147440, 4878532, 5035904, 6098165, 6294880, 9757064, 12196330, 12589760, 19514128, 24392660, 25179520, 39028256, 48785320, 78056512, 97570640, 156113024, 195141280, 390282560, 780565120]

約数ペア:

[(1, 780565120), (2, 390282560), (4, 195141280), (5, 156113024), (8, 97570640), (10, 78056512), (16, 48785320), (20, 39028256), (31, 25179520), (32, 24392660), (40, 19514128), (62, 12589760), (64, 12196330), (80, 9757064), (124, 6294880), (128, 6098165), (155, 5035904), (160, 4878532), (248, 3147440), (310, 2517952), (320, 2439266), (496, 1573720), (620, 1258976), (640, 1219633), (992, 786860), (1240, 629488), (1984, 393430), (2480, 314744), (3968, 196715), (4960, 157372), (9920, 78686), (19840, 39343)]