30001840

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{331}}^1$

素因数の和:458

約数の個数: 80

約数和(自身を含む): 77066496

約数和(自身を除く): 47064656

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 103, 110, 176, 206, 220, 331, 412, 440, 515, 662, 824, 880, 1030, 1133, 1324, 1648, 1655, 2060, 2266, 2648, 3310, 3641, 4120, 4532, 5296, 5665, 6620, 7282, 8240, 9064, 11330, 13240, 14564, 18128, 18205, 22660, 26480, 29128, 34093, 36410, 45320, 58256, 68186, 72820, 90640, 136372, 145640, 170465, 272744, 291280, 340930, 375023, 545488, 681860, 750046, 1363720, 1500092, 1875115, 2727440, 3000184, 3750230, 6000368, 7500460, 15000920, 30001840]

約数ペア:

[(1, 30001840), (2, 15000920), (4, 7500460), (5, 6000368), (8, 3750230), (10, 3000184), (11, 2727440), (16, 1875115), (20, 1500092), (22, 1363720), (40, 750046), (44, 681860), (55, 545488), (80, 375023), (88, 340930), (103, 291280), (110, 272744), (176, 170465), (206, 145640), (220, 136372), (331, 90640), (412, 72820), (440, 68186), (515, 58256), (662, 45320), (824, 36410), (880, 34093), (1030, 29128), (1133, 26480), (1324, 22660), (1648, 18205), (1655, 18128), (2060, 14564), (2266, 13240), (2648, 11330), (3310, 9064), (3641, 8240), (4120, 7282), (4532, 6620), (5296, 5665)]