247213260

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{196201}}^1$

素因数の和:196223

約数の個数: 72

約数和(自身を含む): 857010336

約数和(自身を除く): 609797076

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 196201, 392402, 588603, 784804, 981005, 1177206, 1373407, 1765809, 1962010, 2354412, 2746814, 2943015, 3531618, 3924020, 4120221, 5493628, 5886030, 6867035, 7063236, 8240442, 8829045, 11772060, 12360663, 13734070, 16480884, 17658090, 20601105, 24721326, 27468140, 35316180, 41202210, 49442652, 61803315, 82404420, 123606630, 247213260]

約数ペア:

[(1, 247213260), (2, 123606630), (3, 82404420), (4, 61803315), (5, 49442652), (6, 41202210), (7, 35316180), (9, 27468140), (10, 24721326), (12, 20601105), (14, 17658090), (15, 16480884), (18, 13734070), (20, 12360663), (21, 11772060), (28, 8829045), (30, 8240442), (35, 7063236), (36, 6867035), (42, 5886030), (45, 5493628), (60, 4120221), (63, 3924020), (70, 3531618), (84, 2943015), (90, 2746814), (105, 2354412), (126, 1962010), (140, 1765809), (180, 1373407), (210, 1177206), (252, 981005), (315, 784804), (420, 588603), (630, 392402), (1260, 196201)]