30912700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:156

約数の個数: 144

約数和(自身を含む): 85550080

約数和(自身を除く): 54637380

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 35, 43, 50, 52, 65, 70, 79, 86, 91, 100, 130, 140, 158, 172, 175, 182, 215, 260, 301, 316, 325, 350, 364, 395, 430, 455, 553, 559, 602, 650, 700, 790, 860, 910, 1027, 1075, 1106, 1118, 1204, 1300, 1505, 1580, 1820, 1975, 2054, 2150, 2212, 2236, 2275, 2765, 2795, 3010, 3397, 3913, 3950, 4108, 4300, 4550, 5135, 5530, 5590, 6020, 6794, 7189, 7525, 7826, 7900, 9100, 10270, 11060, 11180, 13588, 13825, 13975, 14378, 15050, 15652, 16985, 19565, 20540, 23779, 25675, 27650, 27950, 28756, 30100, 33970, 35945, 39130, 44161, 47558, 51350, 55300, 55900, 67940, 71890, 78260, 84925, 88322, 95116, 97825, 102700, 118895, 143780, 169850, 176644, 179725, 195650, 220805, 237790, 309127, 339700, 359450, 391300, 441610, 475580, 594475, 618254, 718900, 883220, 1104025, 1188950, 1236508, 1545635, 2208050, 2377900, 3091270, 4416100, 6182540, 7728175, 15456350, 30912700]

約数ペア:

[(1, 30912700), (2, 15456350), (4, 7728175), (5, 6182540), (7, 4416100), (10, 3091270), (13, 2377900), (14, 2208050), (20, 1545635), (25, 1236508), (26, 1188950), (28, 1104025), (35, 883220), (43, 718900), (50, 618254), (52, 594475), (65, 475580), (70, 441610), (79, 391300), (86, 359450), (91, 339700), (100, 309127), (130, 237790), (140, 220805), (158, 195650), (172, 179725), (175, 176644), (182, 169850), (215, 143780), (260, 118895), (301, 102700), (316, 97825), (325, 95116), (350, 88322), (364, 84925), (395, 78260), (430, 71890), (455, 67940), (553, 55900), (559, 55300), (602, 51350), (650, 47558), (700, 44161), (790, 39130), (860, 35945), (910, 33970), (1027, 30100), (1075, 28756), (1106, 27950), (1118, 27650), (1204, 25675), (1300, 23779), (1505, 20540), (1580, 19565), (1820, 16985), (1975, 15652), (2054, 15050), (2150, 14378), (2212, 13975), (2236, 13825), (2275, 13588), (2765, 11180), (2795, 11060), (3010, 10270), (3397, 9100), (3913, 7900), (3950, 7826), (4108, 7525), (4300, 7189), (4550, 6794), (5135, 6020), (5530, 5590)]