71295900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{181}}^1$

素因数の和:312

約数の個数: 144

約数和(自身を含む): 225589728

約数和(自身を除く): 154293828

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 101, 130, 150, 156, 181, 195, 202, 260, 300, 303, 325, 362, 390, 404, 505, 543, 606, 650, 724, 780, 905, 975, 1010, 1086, 1212, 1300, 1313, 1515, 1810, 1950, 2020, 2172, 2353, 2525, 2626, 2715, 3030, 3620, 3900, 3939, 4525, 4706, 5050, 5252, 5430, 6060, 6565, 7059, 7575, 7878, 9050, 9412, 10100, 10860, 11765, 13130, 13575, 14118, 15150, 15756, 18100, 18281, 19695, 23530, 26260, 27150, 28236, 30300, 32825, 35295, 36562, 39390, 47060, 54300, 54843, 58825, 65650, 70590, 73124, 78780, 91405, 98475, 109686, 117650, 131300, 141180, 176475, 182810, 196950, 219372, 235300, 237653, 274215, 352950, 365620, 393900, 457025, 475306, 548430, 705900, 712959, 914050, 950612, 1096860, 1188265, 1371075, 1425918, 1828100, 2376530, 2742150, 2851836, 3564795, 4753060, 5484300, 5941325, 7129590, 11882650, 14259180, 17823975, 23765300, 35647950, 71295900]

約数ペア:

[(1, 71295900), (2, 35647950), (3, 23765300), (4, 17823975), (5, 14259180), (6, 11882650), (10, 7129590), (12, 5941325), (13, 5484300), (15, 4753060), (20, 3564795), (25, 2851836), (26, 2742150), (30, 2376530), (39, 1828100), (50, 1425918), (52, 1371075), (60, 1188265), (65, 1096860), (75, 950612), (78, 914050), (100, 712959), (101, 705900), (130, 548430), (150, 475306), (156, 457025), (181, 393900), (195, 365620), (202, 352950), (260, 274215), (300, 237653), (303, 235300), (325, 219372), (362, 196950), (390, 182810), (404, 176475), (505, 141180), (543, 131300), (606, 117650), (650, 109686), (724, 98475), (780, 91405), (905, 78780), (975, 73124), (1010, 70590), (1086, 65650), (1212, 58825), (1300, 54843), (1313, 54300), (1515, 47060), (1810, 39390), (1950, 36562), (2020, 35295), (2172, 32825), (2353, 30300), (2525, 28236), (2626, 27150), (2715, 26260), (3030, 23530), (3620, 19695), (3900, 18281), (3939, 18100), (4525, 15756), (4706, 15150), (5050, 14118), (5252, 13575), (5430, 13130), (6060, 11765), (6565, 10860), (7059, 10100), (7575, 9412), (7878, 9050)]