30330040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1$

素因数の和:161

約数の個数: 128

約数和(自身を含む): 80559360

約数和(自身を除く): 50229320

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 47, 52, 65, 68, 73, 85, 94, 104, 130, 136, 146, 170, 188, 221, 235, 260, 292, 340, 365, 376, 442, 470, 520, 584, 611, 680, 730, 799, 884, 940, 949, 1105, 1222, 1241, 1460, 1598, 1768, 1880, 1898, 2210, 2444, 2482, 2920, 3055, 3196, 3431, 3796, 3995, 4420, 4745, 4888, 4964, 6110, 6205, 6392, 6862, 7592, 7990, 8840, 9490, 9928, 10387, 12220, 12410, 13724, 15980, 16133, 17155, 18980, 20774, 24440, 24820, 27448, 31960, 32266, 34310, 37960, 41548, 44603, 49640, 51935, 58327, 64532, 68620, 80665, 83096, 89206, 103870, 116654, 129064, 137240, 161330, 178412, 207740, 223015, 233308, 291635, 322660, 356824, 415480, 446030, 466616, 583270, 645320, 758251, 892060, 1166540, 1516502, 1784120, 2333080, 3033004, 3791255, 6066008, 7582510, 15165020, 30330040]

約数ペア:

[(1, 30330040), (2, 15165020), (4, 7582510), (5, 6066008), (8, 3791255), (10, 3033004), (13, 2333080), (17, 1784120), (20, 1516502), (26, 1166540), (34, 892060), (40, 758251), (47, 645320), (52, 583270), (65, 466616), (68, 446030), (73, 415480), (85, 356824), (94, 322660), (104, 291635), (130, 233308), (136, 223015), (146, 207740), (170, 178412), (188, 161330), (221, 137240), (235, 129064), (260, 116654), (292, 103870), (340, 89206), (365, 83096), (376, 80665), (442, 68620), (470, 64532), (520, 58327), (584, 51935), (611, 49640), (680, 44603), (730, 41548), (799, 37960), (884, 34310), (940, 32266), (949, 31960), (1105, 27448), (1222, 24820), (1241, 24440), (1460, 20774), (1598, 18980), (1768, 17155), (1880, 16133), (1898, 15980), (2210, 13724), (2444, 12410), (2482, 12220), (2920, 10387), (3055, 9928), (3196, 9490), (3431, 8840), (3796, 7990), (3995, 7592), (4420, 6862), (4745, 6392), (4888, 6205), (4964, 6110)]