2970090

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{541}}^1$

素因数の和:615

約数の個数: 48

約数和(自身を含む): 7863336

約数和(自身を除く): 4893246

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 61, 90, 122, 183, 305, 366, 541, 549, 610, 915, 1082, 1098, 1623, 1830, 2705, 2745, 3246, 4869, 5410, 5490, 8115, 9738, 16230, 24345, 33001, 48690, 66002, 99003, 165005, 198006, 297009, 330010, 495015, 594018, 990030, 1485045, 2970090]

約数ペア:

[(1, 2970090), (2, 1485045), (3, 990030), (5, 594018), (6, 495015), (9, 330010), (10, 297009), (15, 198006), (18, 165005), (30, 99003), (45, 66002), (61, 48690), (90, 33001), (122, 24345), (183, 16230), (305, 9738), (366, 8115), (541, 5490), (549, 5410), (610, 4869), (915, 3246), (1082, 2745), (1098, 2705), (1623, 1830)]