71712390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{2417}}^1$

素因数の和:2493

約数の個数: 64

約数和(自身を含む): 183845376

約数和(自身を除く): 112132986

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 43, 46, 69, 86, 115, 129, 138, 215, 230, 258, 345, 430, 645, 690, 989, 1290, 1978, 2417, 2967, 4834, 4945, 5934, 7251, 9890, 12085, 14502, 14835, 24170, 29670, 36255, 55591, 72510, 103931, 111182, 166773, 207862, 277955, 311793, 333546, 519655, 555910, 623586, 833865, 1039310, 1558965, 1667730, 2390413, 3117930, 4780826, 7171239, 11952065, 14342478, 23904130, 35856195, 71712390]

約数ペア:

[(1, 71712390), (2, 35856195), (3, 23904130), (5, 14342478), (6, 11952065), (10, 7171239), (15, 4780826), (23, 3117930), (30, 2390413), (43, 1667730), (46, 1558965), (69, 1039310), (86, 833865), (115, 623586), (129, 555910), (138, 519655), (215, 333546), (230, 311793), (258, 277955), (345, 207862), (430, 166773), (645, 111182), (690, 103931), (989, 72510), (1290, 55591), (1978, 36255), (2417, 29670), (2967, 24170), (4834, 14835), (4945, 14502), (5934, 12085), (7251, 9890)]