12440220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{389}}^1$

素因数の和:455

約数の個数: 96

約数和(自身を含む): 38525760

約数和(自身を除く): 26085540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 41, 52, 60, 65, 78, 82, 123, 130, 156, 164, 195, 205, 246, 260, 389, 390, 410, 492, 533, 615, 778, 780, 820, 1066, 1167, 1230, 1556, 1599, 1945, 2132, 2334, 2460, 2665, 3198, 3890, 4668, 5057, 5330, 5835, 6396, 7780, 7995, 10114, 10660, 11670, 15171, 15949, 15990, 20228, 23340, 25285, 30342, 31898, 31980, 47847, 50570, 60684, 63796, 75855, 79745, 95694, 101140, 151710, 159490, 191388, 207337, 239235, 303420, 318980, 414674, 478470, 622011, 829348, 956940, 1036685, 1244022, 2073370, 2488044, 3110055, 4146740, 6220110, 12440220]

約数ペア:

[(1, 12440220), (2, 6220110), (3, 4146740), (4, 3110055), (5, 2488044), (6, 2073370), (10, 1244022), (12, 1036685), (13, 956940), (15, 829348), (20, 622011), (26, 478470), (30, 414674), (39, 318980), (41, 303420), (52, 239235), (60, 207337), (65, 191388), (78, 159490), (82, 151710), (123, 101140), (130, 95694), (156, 79745), (164, 75855), (195, 63796), (205, 60684), (246, 50570), (260, 47847), (389, 31980), (390, 31898), (410, 30342), (492, 25285), (533, 23340), (615, 20228), (778, 15990), (780, 15949), (820, 15171), (1066, 11670), (1167, 10660), (1230, 10114), (1556, 7995), (1599, 7780), (1945, 6396), (2132, 5835), (2334, 5330), (2460, 5057), (2665, 4668), (3198, 3890)]