30009980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1499}}^1$

素因数の和:1539

約数の個数: 96

約数和(自身を含む): 84672000

約数和(自身を除く): 54662020

約数列:

[1, 2, 4, 5, 7, 10, 11, 13, 14, 20, 22, 26, 28, 35, 44, 52, 55, 65, 70, 77, 91, 110, 130, 140, 143, 154, 182, 220, 260, 286, 308, 364, 385, 455, 572, 715, 770, 910, 1001, 1430, 1499, 1540, 1820, 2002, 2860, 2998, 4004, 5005, 5996, 7495, 10010, 10493, 14990, 16489, 19487, 20020, 20986, 29980, 32978, 38974, 41972, 52465, 65956, 77948, 82445, 97435, 104930, 115423, 136409, 164890, 194870, 209860, 214357, 230846, 272818, 329780, 389740, 428714, 461692, 545636, 577115, 682045, 857428, 1071785, 1154230, 1364090, 1500499, 2143570, 2308460, 2728180, 3000998, 4287140, 6001996, 7502495, 15004990, 30009980]

約数ペア:

[(1, 30009980), (2, 15004990), (4, 7502495), (5, 6001996), (7, 4287140), (10, 3000998), (11, 2728180), (13, 2308460), (14, 2143570), (20, 1500499), (22, 1364090), (26, 1154230), (28, 1071785), (35, 857428), (44, 682045), (52, 577115), (55, 545636), (65, 461692), (70, 428714), (77, 389740), (91, 329780), (110, 272818), (130, 230846), (140, 214357), (143, 209860), (154, 194870), (182, 164890), (220, 136409), (260, 115423), (286, 104930), (308, 97435), (364, 82445), (385, 77948), (455, 65956), (572, 52465), (715, 41972), (770, 38974), (910, 32978), (1001, 29980), (1430, 20986), (1499, 20020), (1540, 19487), (1820, 16489), (2002, 14990), (2860, 10493), (2998, 10010), (4004, 7495), (5005, 5996)]