726006540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{246941}}^1$

素因数の和:246967

約数の個数: 72

約数和(自身を含む): 2364716592

約数和(自身を除く): 1638710052

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 246941, 493882, 740823, 987764, 1234705, 1481646, 1728587, 2469410, 2963292, 3457174, 3704115, 4938820, 5185761, 6914348, 7408230, 8642935, 10371522, 12100109, 14816460, 17285870, 20743044, 24200218, 25928805, 34571740, 36300327, 48400436, 51857610, 60500545, 72600654, 103715220, 121001090, 145201308, 181501635, 242002180, 363003270, 726006540]

約数ペア:

[(1, 726006540), (2, 363003270), (3, 242002180), (4, 181501635), (5, 145201308), (6, 121001090), (7, 103715220), (10, 72600654), (12, 60500545), (14, 51857610), (15, 48400436), (20, 36300327), (21, 34571740), (28, 25928805), (30, 24200218), (35, 20743044), (42, 17285870), (49, 14816460), (60, 12100109), (70, 10371522), (84, 8642935), (98, 7408230), (105, 6914348), (140, 5185761), (147, 4938820), (196, 3704115), (210, 3457174), (245, 2963292), (294, 2469410), (420, 1728587), (490, 1481646), (588, 1234705), (735, 987764), (980, 740823), (1470, 493882), (2940, 246941)]