78437760

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{40853}}^1$

素因数の和:40875

約数の個数: 64

約数和(自身を含む): 250026480

約数和(自身を除く): 171588720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 480, 640, 960, 1920, 40853, 81706, 122559, 163412, 204265, 245118, 326824, 408530, 490236, 612795, 653648, 817060, 980472, 1225590, 1307296, 1634120, 1960944, 2451180, 2614592, 3268240, 3921888, 4902360, 5229184, 6536480, 7843776, 9804720, 13072960, 15687552, 19609440, 26145920, 39218880, 78437760]

約数ペア:

[(1, 78437760), (2, 39218880), (3, 26145920), (4, 19609440), (5, 15687552), (6, 13072960), (8, 9804720), (10, 7843776), (12, 6536480), (15, 5229184), (16, 4902360), (20, 3921888), (24, 3268240), (30, 2614592), (32, 2451180), (40, 1960944), (48, 1634120), (60, 1307296), (64, 1225590), (80, 980472), (96, 817060), (120, 653648), (128, 612795), (160, 490236), (192, 408530), (240, 326824), (320, 245118), (384, 204265), (480, 163412), (640, 122559), (960, 81706), (1920, 40853)]