30206540

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{2371}}^1$

素因数の和:2407

約数の個数: 72

約数和(自身を含む): 79499952

約数和(自身を除く): 49293412

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 140, 182, 196, 245, 260, 364, 455, 490, 637, 910, 980, 1274, 1820, 2371, 2548, 3185, 4742, 6370, 9484, 11855, 12740, 16597, 23710, 30823, 33194, 47420, 61646, 66388, 82985, 116179, 123292, 154115, 165970, 215761, 232358, 308230, 331940, 431522, 464716, 580895, 616460, 863044, 1078805, 1161790, 1510327, 2157610, 2323580, 3020654, 4315220, 6041308, 7551635, 15103270, 30206540]

約数ペア:

[(1, 30206540), (2, 15103270), (4, 7551635), (5, 6041308), (7, 4315220), (10, 3020654), (13, 2323580), (14, 2157610), (20, 1510327), (26, 1161790), (28, 1078805), (35, 863044), (49, 616460), (52, 580895), (65, 464716), (70, 431522), (91, 331940), (98, 308230), (130, 232358), (140, 215761), (182, 165970), (196, 154115), (245, 123292), (260, 116179), (364, 82985), (455, 66388), (490, 61646), (637, 47420), (910, 33194), (980, 30823), (1274, 23710), (1820, 16597), (2371, 12740), (2548, 11855), (3185, 9484), (4742, 6370)]