30818620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{563}}^1$

素因数の和:619

約数の個数: 96

約数和(自身を含む): 81865728

約数和(自身を除く): 51047108

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 23, 28, 34, 35, 46, 68, 70, 85, 92, 115, 119, 140, 161, 170, 230, 238, 322, 340, 391, 460, 476, 563, 595, 644, 782, 805, 1126, 1190, 1564, 1610, 1955, 2252, 2380, 2737, 2815, 3220, 3910, 3941, 5474, 5630, 7820, 7882, 9571, 10948, 11260, 12949, 13685, 15764, 19142, 19705, 25898, 27370, 38284, 39410, 47855, 51796, 54740, 64745, 66997, 78820, 90643, 95710, 129490, 133994, 181286, 191420, 220133, 258980, 267988, 334985, 362572, 440266, 453215, 669970, 880532, 906430, 1100665, 1339940, 1540931, 1812860, 2201330, 3081862, 4402660, 6163724, 7704655, 15409310, 30818620]

約数ペア:

[(1, 30818620), (2, 15409310), (4, 7704655), (5, 6163724), (7, 4402660), (10, 3081862), (14, 2201330), (17, 1812860), (20, 1540931), (23, 1339940), (28, 1100665), (34, 906430), (35, 880532), (46, 669970), (68, 453215), (70, 440266), (85, 362572), (92, 334985), (115, 267988), (119, 258980), (140, 220133), (161, 191420), (170, 181286), (230, 133994), (238, 129490), (322, 95710), (340, 90643), (391, 78820), (460, 66997), (476, 64745), (563, 54740), (595, 51796), (644, 47855), (782, 39410), (805, 38284), (1126, 27370), (1190, 25898), (1564, 19705), (1610, 19142), (1955, 15764), (2252, 13685), (2380, 12949), (2737, 11260), (2815, 10948), (3220, 9571), (3910, 7882), (3941, 7820), (5474, 5630)]